Scott tries to pull off the perfect episode with a scientist's invention.

Jake Johnson shares dating tips; Scott debuts his new game show; the "Comedy Bang! Bang!" studio is flipped upside down and the gang must do the show hanging from the ceiling.

Reggie Watts returns to the show just in time to try to prevent a disaster; Weird Al has a surprising announcement; Adam Scott tries to give Scott some assistance.

Tom Lennon demonstrates how very messy he can get, while Scott's editors go on strike, so he shoots the show in one take to air as is. Also, a Broadway director spotlights songs from his hit show.

Judy Greer shows off her universal audition; the gang looks forward to an appearance by Tom Hanks; Kid Cudi is revealed to be a former hockey star and his rival shows up at the "Comedy Bang! Bang!" studio to challenge him to a rematch.

When Scott leaves the show for a new opportunity, Jason Mantzoukas takes over as special substitute host and his first guest ends up being Scott; legendary soul singer Donny Gary.

When Scott runs late for work, Reggie and guest Andy Dick explore the endless possibilities that one missed bus can make. A mysterious stranger has dire advice for Scott and his mechanic reveals the best location for underground comedy.

Zach Galifianakis, "Weird Al" and the Comedy Bang! Bang! crew look back at at their favorite memories of Scott.

Actors Gillian Jacobs and Jason Mantzoukas stop by Comedy Bang! Bang! in the midst of Scott and Reggie trying to answer cliffhangers throughout the episode. Does Reggie’s new girlfriend have a secret agenda? Will Scott seek revenge over his stolen sandwich? Who’s inside the mysterious coffin on set? Special Guests: Chris Hardwick, Adam Scott and Michaela Watkins.

Inspired by “I Dreamed A Dream,” Casey Wilson sings her heart out during this week’s musical extravaganza episode. We find out who lives below the studio and learn a valuable lesson about the importance of talking. Special Guest: Thomas Lennon and Paul F. Tomkins.

Activist Victor Ramos shamelessly plugs some community program he's heading; Steven Yeun shares his preparations for the inevitable zombie apocalypse; plus, there is compiled footage of Reggie's entire life.

It’s a drowsy day in the studio as the cast and crew keep dozing off. Reggie dreams of making music with Tears for Fears. Will Scott find the key to keeping everyone awake?

Michelle Monaghan shows off her hog-wrestling skills; Alan Thicke performs personalized theme songs; after Scott suddenly gets rich, he's visited by his long-lost brother Billy.

Kathryn Hahn swears up a storm; John Lennon comes back from the dead; Scott teaches the skills needed to host a talk show.

Malin Akerman reveals all her deep dark secrets; Slow Joey tries to juggle his new business venture with falling in love.

Scott receives some disturbing news that may mean the end of Comedy Bang! Bang! forever, but before the end, old chums Lord Andrew Lloyd Webber and Fabrice Fabrice stop by to wish the gang goodbye.

Rapper Kid Cudi drops by to give Scott a lesson in the art of the prank phone call, and 6-year-old film critic Aiden Tomasetto shares his favorite movies. Reggie tries to mend his broken heart as a contestant on Scott’s new dating show.

A physicist takes Scott, Reggie, and the crew aboard his spaceship, but danger soon arises; Scott wants to be able to interview Colin Hanks and celebrity stylist Trey Booth but the perils of space may get to them first.

The Comedy Bang! Bang! crew takes off for summer vacation, leaving Scott and Kid Cudi to finish the season with a ragtag crew of misfits. Meanwhile, Brie Larson plays "What’s In Her Bag?" and orphan boy Fourvel gives tips to stay out of the summer heat.

Scott and Kid Cudi try to catch a rat in the studio before their annual health inspection. Meanwhile, Mary Elizabeth Winstead celebrates her birthday, and inventor Ahmad Rashad al-Zarqawi shows us his new gadget.

Adam Pally discusses his plans for the holidays; Scott premieres his new dating show; Kid Cudi introduces his new character who becomes an instant celebrity.

Tegan and Sara riff on their songwriting process, while Scott suspects there's something odd about the new intern. Also, the audience receives acting tips from a surprise guest.

Scott and Weird Al throw a party that gets a little out of control; Krysten Ritter plays her favorite party game; author Gail Summercat gives tips to women in the workplace.

Maya Rudolph plays "Skirmish of the Sexes," and down on her luck businesswoman Claire Coulter (Maria Bamford) tries a new sales pitch. Also, Undercover Agent Aukerman has gone undercover to apprehend notorious bank robber, Reggie Watts.

Simon Helberg has to prove he’s not an android. Scott and Reggie get whipped into shape by a cruel drill sergeant and are tasked with a dangerous mission of their own.