Will the power of veto save Michael and Brittany from the block? Plus escalating tensions set off a chain of events that will turn the whole game upside down.

In the first ever 2-hour season finale, one houseguest is crowned the winner and awarded $500,000, and all the houseguests are reunited for the first time. Also, Julie reveals which houseguest America chose as their favorite and awards the lucky juror $25,000.

One of Cirie's top allies exits the game, but will it be who she expects? Plus, the Head of Household is on the line in the iconic Wall Competition and the Houseguests come face-to-face with a legendary meatball.

Either Cody or Zach will be evicted, and the jurors battle to return to the Big Brother game!

Who will win the power of veto, and will the plan to blindside Hisam succeed? Plus, Jared and Blue continue to get closer, but will his mom put a stop to it?

Will it be a double serving of blindsides courtesy of the Leftovers? First the veto meeting, then the live eviction!

The House guests get down to the business of selecting the winner of Big Brother 3. Everything is put on the table as the winner of Big Brother 3 is announced.

Who will win the Power of Veto, and will it be used to save either Tommy or Cliff from eviction?

Roddy's departure has outstanding effects on the rest of the house guests.

The power of veto competition is a gamble and the alliances campaign in their best interest. Chima upsets Russell and Michele proves to be the swing vote.

Who will be evicted from the Big Brother house, Tommy or Holly?

Who will be evicted and who will end up in the final 3? Plus, it's been a wild few weeks in the jury house and you will see it all.

Who will win the Power Of Veto? And will it be used to save either Jessica or Christie from the block?

After reciting a memorable speech, a Big Brother winner is crowned.

Tonight Derrick and Frankie each nominate 2 people for eviction and the detonators are forced to resort to drastic measures. Plus, it's a fight for survival in the final Battle of the Block competition of the summer.

It's the home stretch, and they're all gunning for control.

The fallout from the double eviction blows up the house, and two new Heads of Household have their nominees fight to survive in the most dramatic Battle of the Block yet!

Tonight, with the "Rewind Twist", will winning HoH be deja vu for Frankie or will another houseguest rise to power. Plus, the jurors are back for a little revenge.

Will Cameron finally be evicted from the Big Brother House? And who will follow? As a terrifying Double Eviction kicks off Scary Week, a full week of gameplay and one night of fright. Plus, a scary ending that will send shivers down the spines of all who survive.

Who will be evicted from the Big Brother House? Nick or Christie?

Tonight, see the explosive series of events that went down just 24 hours leading up to the double eviction. Plus, who will become the next HoH, and who will be on the chopping block?

Who will be evicted from the Big Brother house, and become the first juror?

See who wins the Head of Household Competition and the Power of Veto is back up for grabs.

The houseguests compete to win the power of veto; during the veto meeting, the winner of the competition can keep nominations the same or save someone from eviction for the week.

The season comes to a close and the final Head of Household, the winner of the $500,000 grand prize, and America's favorite Houseguest will be determined.

Tonight, the Power Of Veto is up for grabs, will one of the nominees be saved?

Who will win the Power of Veto, and will it be used to save either Analyse or Christie from eviction?

Will Frank successfully send Tiffany packing or will Da'Vonne lead the charge to take out a different nominee? Also a new HoH will be crowned!

The Houseguests are in double-trouble when another live double eviction shows who is pulling the strings and who is merely a puppet.

With only five remaining, a slippery battle for HoH concludes. Who will slide into power and who will be nominated for eviction? Plus, will the Final Four remain loyal to each other or will the season of back-stabs and betrayal continue?

Humila Week is under way and the space cowboy is in control. Will Cameron cause chaos and shake up the house?

Who will be evicted from the Big Brother House, Jessica or Cliff? And who will follow them out the door because it's double eviction night?

The houseguests compete in part two of the final HoH competition, while Julie reveals some of the final twists of the season. Also, four of the best houseguests from Big Brother history return to weigh in on this season's final three.

The Power of Veto is up for grabs! Will Tucker, Kenny, or Angela be saved from eviction? Plus, it all leads to the wildest, most unpredictable, and craziest veto meeting of all time.

The first five evicted house guests compete in "Battle Back" competitions; the last evictee standing will return to the game for another chance at the $500,000 prize.

Watch the repercussions of the Veto meeting. Plus, who will be evicted tonight?

A surprising new power will be unleashed in the house.

Find out will win the final and most powerful HoH of the summer. And who the jury will choose to get the $500,000 prize.

With the doctor's game on life support, will the house stick to their plan of saying by-sam to Hisam? Plus, for 18 years, fans have demanded the return of the epic pressure cooker competition.

Three Houseguests will compete in America's Field Trip. Who will become the third nominee for eviction? Who will be punished and who will be safe for the week?

Will the Veto save either Clay or Becky and will Vanessa go through with the plan to take out Austin?

What will Dani do when the Disruptor Power is unleashed? Plus, who will win the veto?

Who will win the Power of Veto, and will the plan to get Cameron on the block succeed?

We're getting closer to crowning the winner of the half million dollar grand prize, but there is still a whole lot of game to be played! Next, who will become the new Head of Household?

Find out who wins the crucial Head of Household competition.

It's the final and most important veto of the summer. Who will secure their safety and who will be evicted. Plus, emotions explode at the jury house.

Who will win the Power of Veto? And will it force Bowie Jane to choose a new target? Plus, Zingbot is back! What zings will he sling? And will the houseguests be left in tears from laughing or crying?

A whole new group of strangers moves into the Big Brother house and begins the battle for $500,000. This Summer, the houseguests will be enticed by more temptations and face more consequences than anyone in the history of the game.

The Power of Veto competition is held.

Who will win the Power of Veto and will it be used to save Alex, Josh or Ramses from eviction?

Tonight, the Power Of Veto is on the line. Will the backdoor plan send Victor to the block? Or will a new target emerge?

Russell pushes Jordan to her limit, and the houseguests decide whether to send him or Natalie to the jury house. Also, the HoH competition may be chocolatey, but it's anything but sweet.

Lisa confronts Danielle on her secret pact with Jason.

It's another double eviction night as either Nicole or Victoria's game come to an end. Plus, a brand new twist will be revealed.

The coaches are given a chance to enter the game.

Tonight, a brand new competition will change the game once again. How will everyone react when the new twist is unleashed? Plus, with the veterans and newbies at war, who will strike next?

Chiara's departure has hit the HouseGuests hard.

Tucker, Angela, and Makensy enter the BB A.I. Arena! Will Tucker save himself for a third time by dominating the digital domain? Or will Angela, or Makensy come off the Block? And who will be sent packing? Plus, is the Tubina show-mance in trouble?

Who will be evicted from the Big Brother house and sent to jury? Sis, or Christie?

Will the plan to backdoor Cameron come to fruition? And which houseguest will be the first sent to the jury house? Plus, what super surprises will be unleashed as comic week begins?

Tonight, who will claim the power of veto and guarantee their spot in the final four? Plus, which houseguest will be evicted, and who will become the next HoH?

Cliff is back in the game. Tune in to see his triumphant return. Plus, we crown a new Head of Household. Who will rise to power, and who will they nominate for eviction?

Four evicted houseguests battle each other for a chance to get back into the game, but for the first time ever they must also win an epic showdown against someone in the house.

With the house in turmoil, the veto is more important than ever. Plus, what will the Houseguests think when Frankie reveals all?

Makensy, Rubina, and Cedric enter the AI Arena to battle for safety! Who will come off the Block? And which two will face eviction? What is the AI Instigator?

Kaysar puts his plan into motion, and approaches certain people to join an alliance with him.

The live two-hour season finale of "Big Brother: All-Stars". Find out who becomes the final Head of Household, setting the stage for the last eviction of the season. The jury will then cast their votes live for the winner. Then, all 16 Houseguests will reunite, America's favorite Houseguest will be revealed, and either Enzo, Cody, or Nicole will be crowned the winner of "Big Brother: All-Stars" and walk away with the $500,000 grand prize.

Who will win the Power of Veto and will it be used to save one of the nominees? Plus, team America attempts to cause a blow up at the Veto meeting.

Who will be evicted, Cliff or Nicole? Plus, one member of Camp Comeback will earn a second chance at the game while three will be evicted for good.

Nicole and Derrick decide which pairs of houseguests must compete in the Battle of the Block, and the nominees fight to avoid eviction.

The nominess make their pleas to stay in the house.

Tonight, who will be evicted from the Big Brother house? Nicole or Taylor? Plus, don't blame global warming, it's Kyle and Alissa that are heating things up.

Will Cory be back-doored? Or will Felicia stay in the line of fire? And who will be the final Houseguest evicted before Jury begins? Plus, a new Head of Household will be crowned.

Tonight, with the house's plan to take out Frank derailed, who will go on the block? Who will win the Roadkill? And who will lose their mind?

Fourth live eviction.

Pressure builds after a series of secret powers, shifting alliances, and explosive evictions!

The Power of Veto is on the line, with special guest host Josh Duhamel of Camp Buddy. Will the golden power save one of the nominees, and will Cameron shock the house by backdooring Cirie?

Tonight, see the fallout from Steve's shocking reign of power, plus, a new Head of Household will be crowned and two new Houseguests will go on the block.

Tonight, Bridgette must nominate two people for eviction. Plus, the BB RV is pulling up to make someone roadkill. Who will be the third nominee? Also, love is in the air as showmances blossom.

Double-eviction week begins and the stakes of the game are higher than ever before.

Angela, Lisa and Tucker go to battle in the AI Arena. Who will be saved from the block and which Houseguest will be evicted immediately after? Plus strap in, Angela's wild ride is far from over.

Tonight, either Alyssa or DJ Showtime will be sent to Jury, but they won't be alone. Double eviction baby. A full week of gameplay in one night.

The PoV is used to save one nominee, and tensions begin to escalate in the house.

Who will survive this epic competition and rise to power, and which Houseguest will end up on the block?

Who will win the Power of Veto? And, will it be used to save either Michie or Jack from eviction?

Tonight, either Victor or Corey will be evicted and join the other jurors in an epic battle to return to the game.

Tonight, with the return of Victor and the end of the team twist and BB Roadkill, the HoH competition has never been more important. Who will rise to power, and who will be nominated for eviction?

Who will be evicted from the Big Brother house, Tyler or Ian?

Will the PoV be used to save Ramses or Josh? Plus, is another blindside brewing?

Earning the Head of Household will be no walk in the park for the final 12, and another set of besties are block bound. Plus it's the muffin mystery that broke the internet.

Tonight, will a super-powered Veto save Paul or Victor? Plus who will be evicted and who will become the new HoH? Also, Season 16 winner Derrick weighs in on the Final Five.

Who will get the seventh phone call and win the power of the last laugh and how will it shake up the live eviction? Plus, a new surprise guest will help twist up the game.

Which two houseguests will Zach and Frankie nominate for eviction? Plus, the nominees fight for their lives in the battle of the block!

Who will win the Power of Veto and will it be used to save Corey, Tiffany or Natalie from eviction?

Who will be evicted from the Big Brother house, Cliff or Kat?

How will the house react when Cody returns? Plus, who will rise to power as the new HoH and which two houseguests will be nominated for eviction?

Will it be Jessica or Dominique evicted from the house or will The Halting Hex change the course of the game. Plus, a simple game of pool ignites an epic fight.

Who will the jury crown as the winner of Big Brother? Plus, who did America vote as their favorite Houseguest?

Will Paul's blindside plan go through or will the house flip on the meatball? Plus, a new HoH will be crowned.

Tonight, 16 strangers will move in with only one goal in mind. To be the last one standing. Inside, 94 cameras and 194 microphones will capture their every move. All summer long they will compete for safety and power. It is a game of skill, strategy, and social manipulation, where each week they must evict one of their own. It is a new era of big risks, big rewards, and the biggest cash prize in B.B. history.

Who will become the final HoH and who will make it to the final 2? Thirteen houseguests have departed and tonight, nine will have to make a difficult decision. Who will be crowned winner of Big Brother and walk away with the half million dollar prize, and who did America vote as their favorite houseguest?

Things get trippy in the veto competition. Who will win the golden power, and will it lead to another shocking veto meeting?

Julie Chen Moonves sits down with last season's final three to hear their thoughts on the upcoming finale. Plus, part one of the final HoH plays out in its entirety.

The new HoH is revealed. The Den of Temptation opens again. And who will be the nominees?

The game kicks into gear when the first HoH is crowned; and with nominations looming, tensions hit a boiling point.

Will the Power of Veto save either Alex or Jillian, or will Cody set his sights on a new target? Plus, which houseguest will suffer a curse inside 'The Den of Temptation'?

Find out who will be the first person (or robot) evicted from the house, Sam or Steve.

Will a showmance be torn apart? It all comes down to who wins safety in the BB Blockbuster…. Plus another Houseguest will be evicted!

Who will be evicted from the Big Brother House? Plus the power will once again be up for grabs and another game changing twist will be announced!

Who will win the Power of Veto? And will it be used to save either Kevin or Da'Vonne from eviction? Plus, Zingbot is back and ready to roast the All-Stars.

With three weeks left and another double eviction coming up, the Houseguests find themselves racing to the finish in the final stretch of the game.

Houseguests compete in a luxury competition to see a screening of American Pie 2.

With a new HoH crowned, who will be the target and who will earn safety in an explosive Wildcard Competition!

How will Jessica's reveal of her temptation rock the house? Plus, which houseguest will Paul target for eviction?

Who will become the new HoH, and which two Houseguests will be nominated for eviction? Plus, the BB Roadkill is back, and the winner will secretly pick a third nominee!

One showmance will become a "no-mance" when either Elena, Jessica, or Raven is evicted.

With the Mighty Minute Men seemingly indestructible, will the Golden Power of Veto become their BB Kryptonite? Plus, will the BB Power of Multiplicity spell double trouble for the heroic Houseguests?

The last battles, the last eviction, and the final live vote determine the winner of the $500,000. Also, the winner of 'America's Favorite Houseguest' is announced.

Who will be evicted from the Big Brother house, Rockstar or Bayleigh?. Another HoH competition begins.

Will Jocasta or Amber be evicted from The Big Brother House? Also, two new HoH's will be crowned!

Will eviction history repeat itself for Jag, or will the chillbillie be left out in the cold? Plus, who will become the next Head of Household?

In the fast-paced hour, the houseguests compete for veto, evict another houseguest and battle it out for HoH, all live. Also, secrets about Jessie's actions when he was in the house turn some of his strongest supporters against him.

Chima's actions lead her to an untimely eviction. After a new HoH competition to reset the game, a few houseguests have a difficult time accepting the new power shift.

Who will be evicted from the House next? Kaitlyn or Rockstar? Plus, will the Bonus Life Power save the evictee?

Tonight, either Da'Vonne or Bayleigh will be sent packing, but not before a showdown sends shock waves through the house. Plus, an epic endurance competition begins.

Frank and Bridgette are on the ropes but the secret room just may change the course of the game on Big Brother.

The new HoH nominates a powerful twosome.

With tension in the house, will the HoH succeed in backdooring his target? And how will America impact the game?

Either Michelle or Paul will head to jury, plus will Corey cash in on the BB bribe and the battle for power begins again.

Following a live vote, a houseguest is evicted and interviewed; remaining houseguests compete for power in the next head of household.

Will the PoV save Jessica, Mark, or Elena? Plus, what brings Cody to tears?

Who will win the Power Of Veto? And will it be used to save Bridgette or Frank from eviction?

Who will win the final three-part Head of Household competition? And which Houseguest will go on to be crowned the winner of Big Brother 20 and take home the half-million dollars?

Who will be evicted from the house? Bro Winston or Bro Brett?

Who will bust their butt to earn the Power of Veto and who will get stuck with the first punishments of the season?

Who will win the Power of Veto and will it be used to save either Jackson, Michie or Jack from eviction?

Find out who will win the all-important HoH competition! Who will rise to power? And, who will the new HoH nominate for eviction!?

Tonight, one team must compete against each other, the loser will be the first House Guest sent packing, leaving the reaming three to decide which one of them will be the first Head Of Household of the Summer. Plus, two House Guests will be nominated for eviction.

Russell and Jeff come to an agreement about who should get HoH. Russell proves to be a man of his word as he announces his nominations for eviction.

The house agrees to vote Kent out this week but they have a hard time dealing with Bucky's attitude.

Big Brother brings the great outdoors to the Houseguests as they embark on their journey living in a house inspired by summer camp in Season 21. And, this season will feature a first-of-its kind twist that will force houseguests to rethink how they play the game! This season's cast includes a wine safari guide, a preschool aide, a Broadway performer, a petroleum engineer and a therapist, among others.

Find out who Haleigh nominates for eviction. Plus, it's the final BB H@cker competition. Who will win the secret power to hack the game and how will it affect the nominations?

Will the Power of Veto save either Sam or Steve, or will the new "bonus life" power change the game?

In tonight's live eviction, will the Farmer's game head to the Slaughterhouse or will the Black Belt get karate chopped off the block?

Tonight, Alex, Ramses or Cody will be evicted. Plus, will Christmas be forced to leave the game and, the battle for power begins again on Big Brother.

Who will win the final and most important veto of the season, and guarantee themselves a spot in the Final 3?

Who will conquer the wall and become the new Head of Household, and which houseguest will be targeted for eviction? Plus witness the war of words that blew the house apart before Izzys departure.

The Head of Household is on the line, who will rise to glory and which two houseguests will end up on the chopping block? Plus is a summer show-mance blossoming?

Tonight, will Becky's game be permanently derailed or will the supermarket cashier check out? Plus, both twins enter the game.

Tonight, it's the first Power of Veto competition of the Summer. Will Paulie, Jozea or Paul be saved from the block?

Will the Power of Veto save one of the nominees? Plus, will Felicia put Cirie on Jag's nominee radar?

The power of Veto is on the line. Will one of the nominees be saved? Plus, it's another shocking Veto meeting.

It's a must win PoV for Frankie in this special eviction episode as one player wins HoH and another joins the jury.

Will Da'Vonne's game blow up in her face or will the house finally send Tiffany packing?

With the Power of Veto on the line, will Jessica or Dominique secure safety? Plus another night, another fight.

Who will win the the Power of Veto? And will it be used to save either Angela or Rockstar from eviction?

Jason wins a letter from home and the houseguests discuss what they miss most.

Tonight, a new HoH will be crowned. Will Austwins keep the power, or will Steve, John, or Vanessa's secret alliance emerge from the shadows to strike first?

Who will be evicted from the Big Brother house? Winston... or Swaggy C?

Witness the moments you missed during the live double evictions, and a new HoH will rise to power. Plus, don't miss the world premiere of BB Comic's movie trailer, 'The Revengers'.

The Head of Household is up for grabs, and then things get crazy when a power is unleashed which turns the house completely upside down.

Who will be evicted from the Big Brother house, Rockstar or Kaycee?

Will Donny's luck finally run out or will Nicole be evicted for a second time? Plus, the power is once again up for grabs in an epic battle of endurance!

Still unaware of Jason's alliance with Danielle, Amy thinks he is making his own decisions.

Who will be the next All-Star sent to the Jury House? Kevin or Da'Vonne? Plus, a B.B. legend returns to the game to kick off a new twist.

Who will be evicted from the Big Brother House and join Camp Comeback? Will it be Kemi or Jessica?

Find out who Paul will nominate for eviction, who will win the final Veto competition of the Summer and which houseguests will make it to the Final 3.

The houseguests experience a pig's life in the power of veto competition. A few waver between kicking Ronnie out.

The surviving seven go to battle for Head of Household, but will they survive Johnny Mac the demented dentist? Plus, who will be the unlucky block buddies?

Tonight, the Den Of Temptation opens...who did America choose to tempt? Plus emotions hit an all time high, leading to a shocking revelation.

The houseguest's debate on who to evict.

Four stowaways secretly tucked away in the house will kick off the two-night premiere event. Four competitions, three twists, two-nights and one Houseguest will be going home before the summer has barely even begun. This summer is guaranteed to be a bumpy ride.

Can the Power of Veto save a showmance or will Clay and Shelli's love be torn apart?

Tonight the Power Of Veto is on the line, will it save Zakiyah or Michelle?

Four new Houseguests will be nominated, and they'll go to war in the Battle of the Block.

Bronte, Victor or Tiffany face the threat of eviction and entry into the "Battle Back" twist, and a new Head of Household is crowned.

A Brittany spiral could change the fate of the nominees. Who will be sent to the jury, and who will win the Head of Household, guaranteeing a spot for them at finale night.

Nicole returns from the Jury House in a game-changing twist, and for the first time this season Houseguests compete to become the sole Head of Household.

Tonight, who will rise to power, who will emerge as the next target, and how will America's care package shake up the game?