Comedy Bang! Bang!

Patton Oswalt and Scott compete for the same acting role, while a turtle expert is going through an emotional breakdown.

Craig Robinson has a saucy question on his mind. Reggie gets taken up to space to battle an alien race while, Scott helps renovate homes.

There's a murder in the studio! An Inspector narrows down suspects and Jenna shares a clip of her appearance on the British version of CBB.

Fred Armisen and Scott are up for the same late night talk show hosting gig. Who will land the job? Reggie's ultimate fantasy is revealed.

We flash forward to the final episode. Zach Galifianakis makes his first appearance since his accident and characters from past seasons come back.

A major disaster forces Scott and Reggie to conserve air in hopes of a last-minute rescue. Nick Offerman transfixes Scott with his mustache.

Scott and Reggie share their favorite moments in Comedy Bang! Bang! history. Lizzy Caplan has an important question on her mind.

CBB gets a new boss - he's stubborn, rude, and only 7 years old! Tony Hawk gives a couple of lunkhead crew members some good advice.

Alison Brie reveals the secrets of her acting process, while a German film director tells of his plans to make another film.

Reggie's Dad had a shot at the big time, Scott goes back to the 1960's to try and change history! Josh Groban gives Scott some constructive criticism.