Jennifer Lopez starts the chain of kindness by celebrating an inspiring young fan and her mother.

Hospital staff helped Kevin Hart recover from a serious car accident. He's back to return the favor -- and to encourage the staff to do the same.

Nick Jonas surprises longtime fan and mental health awareness advocate Carla, who in turn repays the kindness with a visit to her old high school drama teacher.

Kristen Bell shows her appreciation for a pre-school teacher who taught her a lot about motherhood.

Vanessa Hudgens starts a chain of giving with an unbelievable gift for a local addiction specialist primarily helping those in the Black, Latinx, & LGBTQ+ communities.

When Gabriel Iglesias was in high school, speech teacher June helped him overcome some serious issues. Now she's at a taping of his show - and in for a big surprise.

Liam Payne is known for his voice, but his big heart takes over on this episode when he surprises a local food bank owner with a donation she’ll never forget.

Chris Rock begins a chain of gratitude by donating to a local Downtown Los Angeles pastor who is helping the homeless community during the pandemic.

Mark Cuban gets inspired by a person courageous enough to ask for help and uses the opportunity to start a chain of gratitude.

Lana Condor surprises her former trainer who has been fighting to keep his gym open during the pandemic by giving him an amazing gift.

Hasan Minhaj begins a giving frenzy with a gift to the leader of a community advocacy group for Black Americans in South Central Los Angeles.

Matthew McConaughey begins a chain of gratitude by donating money to someone who has spent his life bringing art lessons to underprivileged communities in Los Angeles.