The Kids Tonight Show

Jimmy Fallon joins the inaugural episode and gives the kids tips on hosting a talk show.

Dancer and actress JoJo Siwa joins the show and plays hilarious house games.

The Tonight Show's house band members Questlove and Black Thought reminisce about how they met.

Online creators and pranksters AMP World join the show for an epic games episode.

"NBC Nightly News" anchor Lester Holt joins the show and shares funny stories and news tips.

Charli and Dixie D'Amelio join the show and reveal the best and worst parts of working together.

Dan White stops by and performs some unforgettable magic tricks; one of the hosts gets cut in half.

"Frozen" actor Kristen Bell talks about her new book and shows off her weirdest talent.

"Grownish" star Yara Shahidi talks about her karate skills; a hilarious game of history trivia.

Astronaut Mike Massimino talks about what it's like being in space and plays a game of Globe Grab.

Singer-songwriter Meghan Trainor plays a game and shares her favorite vacation memories.

Yo-yo world champion Gentry Stein shows off his awesome tricks and plays a game of Velcro Madness.

"Annie Live!" stars Celina Smith and Tituss Burgess join the show to talk about their new musical.

Olympic skateboarding champ Bryce Wettstein answers a jaw-dropping question from a surprise guest.

"Saturday Night Live" legend and "Kenan" star Kenan Thompson on his favorite impressions.

YouTube star Nastya and online looping genius Marc Rebillet join the Pajama Party episode.

Miranda Cosgrove of "iCarly," actor Matt Damon and Twitch superstar Ninja join the show.

"Glee" star Chris Colfer answers questions; spelling bee champion Zaila Avant-garde gets a surprise.

Actors Matthew McConaughey and Nick Kroll talk about the inspiration behind "Sing 2."

Dancer and actor Pressley Hosbach talks about her time on "Dance Moms" and "Stage Fright."