Ben must deliver a cake with real bite as he makes a shark's head as a surprise for a 60th birthday. Sculpted from vanilla and chocolate sponge, it comes with realistic eyes and a full set of pointy sugar paste teeth. Baking meets building for Lancashire based Molly, as she sculpts a cake replica of Queen Anne's Summer House to celebrate a construction company's 40th anniversary. Made from red velvet and Victoria sponge, Molly layers the cake like bricks as a special surprise when the cake is cut. Nastassja tackles an unconventional wedding centrepiece, with a three-foot tall, 60 kilo, modern wedding cake. Built from lemon, red velvet and vanilla cake, it's decorated in edible lace, black sugar crystals and fondant petals, but her hardest task is working out how to separate the heavy tiers using a lit and flower filled glass vase!

In London, cake maker Nastassja's pushing the boat out for her latest commission to celebrate little Noah's first birthday. Asked for a Noah's Ark themed cake, Nastassja's planning to position her revolving edible boat on a giant spurt of water made from 12 layers of vanilla sponge, topped with rice cereal and marshmallow waves. Molly's hoping to make a bit of a flutter as she creates a giant butterfly cake for a birthday surprise. Sculpted from vanilla sponge sandwiched with buttercream, she'll use all her sugar craft and air brushing skills to capture the insect's delicate and distinctive blue and pink markings in vibrant sugar paste. In Lancashire, Rosie's aiming to hit the jackpot with a working roulette table cake for a gala dinner. Taking five days to make, and built from chocolate orange cake, it comes complete with an edible life-like, highly detailed croupier!

In this episode, there's animal magic and a bespoke wedding cake that oozes elegance. In Lancashire, Molly's latest commission ruffles some feathers as she makes a surprise cake in the shape of a real Golden Eagle for a 51st birthday. Called Bella, the creature is perched on a chocolate cake tree stump decorated with edible forest creatures and toadstools. In Penzance, Phil and Christine must earn their stripes with a baby tiger cake for the opening of a new cake school, but snow could put a halt to their plans! In Saddleworth, wedding cake specialist Suzanne's skills are put to the test as she and her team tackle a five-tier floral wedding cake. With an elegant 16' petal shaped base tier, this three-foot cake is adorned in over 50 sugar roses and hundreds of smaller blossoms and leaves which take over 30 hours alone to create.

Nastassja attempts an edible baby's mobile suspended off the ground for a little boy's first birthday. Sculpted from chocolate brownie cake and rice cereal and marshmallow mix, this cloud themed hanging cake has cloud and giraffe shaped cookies dangling from it - perfect for little hands to grab. Rosie's also facing a first birthday challenge as she makes a cake replica of a beloved pet to celebrate TV presenter Lorraine Kelly's dog Angus's special day. Lying on a fondant blanket, Rosie's border terrier is built from chocolate orange cake, decorated in 15 kilos of sculpted modelling chocolate and sugar paste. Phil and Christine create a romantic wedding cake.

More extreme challenges as this time Ben's asked for a cake 'take' on a much-loved motor for a surprise 21st birthday cake, and he's hoping replica of this boy racer's hot hatch will hit the spot. Made from two large vanilla sponges, wrapped in two kilos of fondant, Ben needs all his sculpting skills to replicate every pimped-up detail. Suzanne delves into circus history with a cake to celebrate the 250th anniversary of the founder of the modern circus, Philp Astley. Reflecting his 18th century circus show, her two-tiered extravaganza features fondant figurines taking a curtain call at the base, and a hand painted crowd, topped with an intricate figure of the great showman himself. In Essex, Eloise is going 'all in' with her next commission for a Craps Table cake to celebrate the wedding of a couple who recently married in Las Vegas.

Lancashire baker Molly hopes to make a splash with her next cake as she's asked to bake a cake replica of a very special carp - the prize catch of angler Andrew, as a surprise for his 50th birthday. Made from red velvet sponge, this two-and-a-half-foot long whopper comes complete with over 150 hand cut sugar paste scales. Wedding cake specialist Suzanne takes a break from the norm as she's asked to make a 30th birthday cake for a modern art fan, who wants an edible installation as a centrepiece for his party. Eloise creates a stylish sponge for a catwalk launch.

Phil and Christine go wild with a bathing baby hippo for Penzance's Mazey Day Festival. Eloise has a double challenge for a baby shower. Molly makes afternoon tea with a twist.

Lancashire based cake maker Molly proves 'that's the way to do it' when she makes a one and a half-foot wide replica Punch and Judy cake, complete with stage, striped awning and a full cast of edible characters as a special surprise for a puppeteer. Suzanne creates a towering five tier white on white intricate hand piped wedding cake with an unusual peplum shaped base. Phil and Christine tackle another challenging bake as they create a picture perfect working projector cake, full of personal memories to celebrate one couple's 25th wedding anniversary and joint 50th birthdays.

The gloves are off as Dunstable baker Karisha tackles a boxing themed cake for a charity event, which sees her making two fully edible boxing gloves set in a fondant boxing ring. Molly attempts a deep sea sponge with a giant squid birthday cake for a 10-year-old girl. Phil and Christine make an astonishing solar eclipse wedding cake, that includes a hand painted image of Mount Rushmore and two intertwined willow trees decorated with 4000 hand piped royal icing leaves!

Phil and Christine tackle a technically challenging bake with multiple moving parts for a Thunderbird 2 cake, while Suzanne channels the 1980s with a dance floor cake for a hospice and Eloise takes opulence to new heights with a 40th birthday cake that includes a working gin fountain.

Cake makers Phil and Christine must work their magic to create not just a fairy tale cake, but a whole enchanted landscape. Eloise tackles an 18th birthday cake that's just the ticket with a tube train cake. Michelle marks a medical milestone.

Molly sculpts a great white shark cake, while Nastassja makes a sea urchin for a baby shower. Eloise comes up with a rainbow-coloured take on Chelmsford Town Hall for Essex Pride.

Karisha heads to Blenheim Palace to attempt a 10ft-tall wedding cake, Rosie creates a bouncy castle wrapped in fondant and Eloise makes a London double-decker bus birthday cake.

Cornwall-based team Phil and Christine hope to scale new heights with a five foot long lemon and elderflower cake designed to look like a leaping fish using over 17lbs of sugar paste.

Eloise has a commission for a gravity defying five-tier cake that will hang upside down - just like a chandelier. And Phil and Christine attempt a seven-foot long Wallace and Gromit cake.

Former helicopter pilot Rosie battles to create a trio of teddy bears for Armed Forces Day. Nastassja's feathers are ruffled as she produces a flamboyant hanging flamingo cake

It's full speed ahead for Rosie with a vintage car cake for an 80th birthday party, that must replicate the recipient's beloved Bentley Speed Six, as well as reference Le Mans 24 Hour Car Race, as a nod to the car's winning streak in the 1920s. Suzanne keeps it in the family as she attempts to defy gravity with a cake in the shape of a tube of paint, to celebrate her cousin's new exhibition opening. Christine and Phil tackle a very personal African inspired bake, as Christine's invited to the Royal Edinburgh Military Tattoo with an intricate tiered cake to celebrate her old school's unique involvement in this spectacular event.

Essex baker Eloise creates a two-foot high edible slot machine for a surprise 90th birthday party, complete with a personalised message, flashing lights and a working coin slot; Karisha tries to suspend a ten-tiered wedding cake from a ceiling; Molly puts some muscle behind her cake.

Lancashire baker Molly attempts a mammoth build with a 100 kilo life-sized baby elephant that uses 49 kilos of fondant! Phil and Christine capture the nautical charm of a prestigious hotel for its 20th anniversary, including mosaic tiles, sting ray lights - and even the hotel's classic sailing boat. Ben makes a birthday boy see double with his one and half foot high cheeky caricature cake. Sculpted from vanilla cake, it's covered in three kilos of skilfully airbrushed fondant.

Michelle bakes big for a retiring architect with a cake model of his last project. Nastassja goes for gold with a lovely caramel wedding cake, and Molly makes an edible makeup box.

It's unicorn fever, as our cake makers are set the challenge of producing three unique unicorn cakes. Essex based sugar craft specialist Eloise uses all the colours of the rainbow to make a stunning two-foot tall 10th birthday cake, compete with over 150 multi-coloured roses. Rosie tackles a rocking unicorn cake for a special christening party. Taking five days to make, and wrapped in a whopping 50 kilos of fondant, her biggest challenge will be hand sculpting the tail, mane, and saddle blanket. Molly conjures up a dappled delight, as she creates a multi-coloured mystical unicorn, complete with a golden horn, edible flowers and butterflies, to surprise eight-year-old birthday girl Maddison.

Molly digs deep for her latest commission as her Gran needs a cake to celebrate Older Peoples' Day. Her stunning two-foot square allotment themed cake comes complete with a cake and biscuit tool shed, florist paste picket fence, fondant crazy paving, and even a pair of edible muddy boots. Nastassja must make a birthday cake as glamorous as the birthday girl herself, to take centre stage at a dinner party. Made from amaretto and red velvet cake covered in buttercream and gold leaf, her toughest challenge will be adding over 200 wafer paper discs and getting this two-and-a-half-foot tall cake to hang upside down. Rosie makes a Big Ben replica.

When it comes to extreme cake making you have to think outside the box, and for chocolatier Tracey Kindred the more imaginative the better. She's been tasked to produce a gruesome two foot tall wedding cake that pays tribute to the bride and groom's love of all things Gothic. With four tiers, copious amounts of chocolate wrapping and covered in hand painted Halloween themes, creating this cake could be a thing of nightmares... Also, in London Nastassja is producing a cake for an 11-year old to include the colours of the Nigerian flag, a hand-carved, sugar silhouette of the London skyline and a secret compartment for her favourite sweets.

Lancaster-based Rosie Dummer faces an epic challenge to make an edible scale replica of a planned 110-foot dragon monument for project leader Simon. In Penzance, husband and wife team Phil and Christine Jenson receive a commission that gets their engines revving, as they attempt to make a cake that doubles up as a remote control Mini. Elsewhere, sugarcraft specialist Eloise Durrant reveals her sporty side as she makes an extreme cake, complete with working plasma ball, for her roller derby teammate.

Eloise attempts a life-sized, gravity-defying dress cake, Nastassja goes sugar crystal crazy with a towering gemstone birthday cake, and Molly makes a first birthday extra special

Suzanne creates an intricate Jacobean hall cake. Nastassja makes a lavish stained glass inspired wedding cake, and Molly recreates the Las Vegas cityscape, complete with a light show.

Rosie goes regal for a prestigious cake show, with a right royal bulldog seated on a sugar crafted throne. Karisha brings the small screen to a glamorous wedding cake, and Eloise makes dreams come true with a working carousel cake for a first birthday.

Nastassja makes a spiral cake from salted caramel, mango and passion fruit sponge. Molly bakes a fudge cake for Blackburn Hospital. Eloise attempts her first animal creation

Cake engineering boundaries are pushed as Suzanne's birthday cake for a very special 12-year-old hangs in the balance - only a 25 kilo, two foot wide masterpiece will do! Phil and Christine grapple with a tiered forest of poplar trees. Inspired by the location, their cherry flavoured tiers are held aloft by white fondant tree trunks and adorned in more than 700 handmade petal paste leaves, all topped off with festival lighting. Ben tackles an 'S' shaped Chinese dragon with 200 individually applied fondant scales, spines and whiskers.

Michelle creates a two feet tall dragon cake. Eloise makes a zebra striped cake with ultra-realistic fruit. Karisha places 10,000 sugar gems on to a wedding cake by hand

Cake makers compete at the prestigious Cake International cake show. Ben Cullen makes a lifesize Ringmaster Cake. Molly makes a six foot square seascape complete with a mermaid.

The pinnacle of baking is the wedding cake and nobody beats Karisha Pithwa when it comes to designing the most elaborate wedding cakes of all. She's taking inspiration from Bollywood to create a seven-tiered wedding cake for a dance instructor who wants everything just right for her special day. Covered in 1000 fresh and silk flowers, the cake will also feature a hand-piped henna design specially created by the bride and groom. Meanwhile, Nastassja Lusengo is helping her clients celebrate the expansion of their website. They want a four foot tall cake that will celebrate motherhood and have left the design entirely up to Nastassja.

Sugar craft specialist Eloise has received an order with 'wow' written all over it - a four foot tall replica of the Statue of Liberty made entirely of cake - but with over 10 kilos of icing for the famous gown, will this lady be able to stand on her own two feet? Meanwhile, in west Wales, chocolatier Tracey is commissioned to produce a surprise 21st birthday cake that will feature edible, chocolate sculptures of all the important places from the birthday girl's childhood.

In Lancashire, Molly Robbins is focused on bringing her latest commission to life - a two foot square beach scene complete with jelly sea, crispy marshmallow rocks and dozens of hand carved bathers enjoying the seaside. Elsewhere, Michelle has received a commission for a portrait that's good enough to eat. For a forthcoming birthday party, she must bake a two foot by three foot cake canvas on which she will create an identical portrait of the birthday girl using her icing and edible inks.

For one lucky birthday boy, 26-year-old Molly Robbins is making a two-foot-tall, dinosaur-covered cake complete with royal icing volcano. Meanwhile, Lancaster-based Rosie Dummer hopes to wow her former Army Airs Corp colleagues with an impressive, six-foot-wide, gravity-defying helicopter cake. As an ex-helicopter pilot herself, Rosie knows that getting every detail right will be vital if she's to impress her military colleagues. Also in this episode is Karisha Pithwa, who is producing a stunning seven-tiered, carousel wedding cake decorated in 11 and a half stone of sugar paste.

Karisha faces her worst nightmare. Molly's in her element with a Teddy Bears' Picnic themed children's cake, and it's tears of joy over Suzanne's A Midsummer Night's Dream birthday cake.

Londoner Nastassja's latest commission is from a record producer who has ordered a salted caramel cake with waffle pieces - and the trickiest bit of all will be a super-sized fist made from rice cereal and marshmallow that will burst through a drum that's also made from cake! Meanwhile in Saddleworth, Suzanne has been invited to display her cakes at a prestigious wedding fair. With so many potential clients in attendance, she must bake a show stopping cake that will wow them all.

Michelle is producing a six foot long miniature steam train made entirely out of cake, and Karisha has been commissioned to make a wedding cake with nearly 900 edible iced flowers.

Molly Robbins embarks on a cake designed to be the same shape - and size - of a Shetland pony, while wedding cake specialist Suzanne Thorpe is tasked with a cake that's over two foot tall.

Designing and baking unique cakes for showbiz parties isn't out of the ordinary for extreme cake makers and in Lancashire Molly Robbins has a very tall order - a celebration cake for a flamboyant customer to help him celebrate 35 years as a drag artist. The cake will be a life-size ball gown, complete with 50 edible peacock feathers and 3000 gold flowers. Elsewhere chocolatier Tracy Kindred has been asked to produce a four-tiered wedding cake covered in over 30 kilos of chocolate and decorated with hand painted, edible scenes from the bride and groom's lives together. Celebration cakes really don't come more extreme than this!

At the heart of any extreme cakes lies a brilliant idea and, when it comes to dreaming up these original designs, 31-year-old Nastassja Lusengo knows the sky's the limit. She's been commissioned by a client to produce a cake for her brother's wedding, inspired by a geode rock and will split open to reveal shimmering sugar crystals carved into the cake's interior. Essex's Eloise Durrant has a totally different challenge on her hands - producing cake for a Hawaiian themed party that includes a fully working cocktail dispensing water feature, four tiers of cocktail flavoured sponge cake and is decorated to look like a Pacific volcano.

Molly, who's 25, runs her own cake business in Lancashire. Her best friend and cat lover Liz is turning 30 so Molly has come up with the purr-fect birthday surprise - to bake her a cake that will look identical to her two favourite cats. Meanwhile, in West Wales Tracey and her assistant Jess are planning a wedding cake that's personal to the bride and groom who want their cake to display a storyboard of the 12 years that they have been together.

To be an extreme cake maker you need bags of skill and even more passion: traits of sugar craft specialist Eloise Durrant. And in Chelmsford, one of Eloise's returning customers has a very different dream - a cake that is edible for both humans and dogs - but can Eloise avoid this tricky task turning into a dog's dinner? Meanwhile, in London Karisha has had one of her most extravagant commissions to date - a towering seven-tier wedding cake that will include 150 handcrafted sugar flowers.

In this episode, it's a family affair as sugarcraft specialist Eloise Durrant attempts to make her daughter a spectacular mermaid birthday cake to celebrate turning nine. Meanwhile, 28-year-old Karisha Pithwa juggles bridesmaid duties with baking a seven-tiered wedding cake, adorned in 15,000 hand piped sugar pearls for her cousin's civil ceremony. In Lancashire, Molly Robbins lets her imagination run wild with a knitting sheep cake for the opening of a yarn shop.