Aziz disguises himself as an Olsen Twin and gets sucked into the dark world of special guest Will Arnett, a gun-wielding monkey goes bezerk in a carpet store, Paul surgically alters his face for an acting job and the T-Shirt Squad attempts one of their most dangerous missions. Plus a police sketch artist with a unique style and a warning for kids about vans. Featuring special guest stars: Will Arnett, Leonard Berdick, Kurt Braunohler, Mike Britt, Jon Daly, Brett Gelman, Jon Glaser, June Diane Raphael, Jaime Smith, Kris Erik Stevens.

Aziz disguises himself as an Olsen Twin and gets sucked into the dark world of special guest Will Arnett, a gun-wielding monkey goes bezerk in a carpet store, Paul surgically alters his face for an acting job and the T-Shirt Squad attempts one of their most dangerous missions. Plus a police sketch artist with a unique style and a warning for kids about vans. Featuring special guest stars: Will Arnett, Leonard Berdick, Kurt Braunohler, Mike Britt, Jon Daly, Brett Gelman, Jon Glaser, June Diane Raphael, Jaime Smith, Kris Erik Stevens.

Jack (Alec Baldwin) turns to Kenneth (Jack McBrayer) for help when an aggressive west coast NBC exec (special Guest Star Will Arnett) declares he's after Donaghy's job --- Threatened by a sneaky West Coast NBC executive (special guest star Will Arnett), Jack (Alec Baldwin) enlists Kenneth the Page (Jack McBrayer) to help thwart any attempts to usurp Donaghy's TV throne. Meanwhile, Tracy (Tracy Morgan) is served with paternity papers and Pete (Scott Adsit) and Liz (Tina Fey) adjust to life as roommates and co-workers. Jane Krakowksi, Judah Friedlander, Keith Powell, Katrina Bowden and Rachel Dratch also star. With guest stars Will Arnett, Al Roker and Chris Parnell.

Jack (Alec Baldwin) turns to Kenneth (Jack McBrayer) for help when an aggressive west coast NBC exec (special Guest Star Will Arnett) declares he's after Donaghy's job --- Threatened by a sneaky West Coast NBC executive (special guest star Will Arnett), Jack (Alec Baldwin) enlists Kenneth the Page (Jack McBrayer) to help thwart any attempts to usurp Donaghy's TV throne. Meanwhile, Tracy (Tracy Morgan) is served with paternity papers and Pete (Scott Adsit) and Liz (Tina Fey) adjust to life as roommates and co-workers. Jane Krakowksi, Judah Friedlander, Keith Powell, Katrina Bowden and Rachel Dratch also star. With guest stars Will Arnett, Al Roker and Chris Parnell.

Don Geiss (guest star Rip Torn) decides to name Jack (Alec Baldwin) his successor as the Chairman of GE, over Jack's rival, and Geiss' future son-in-law Devin Banks (guest star Will Arnett). Jack, in turn, chooses Liz (Tina Fey) as his successor because she "always has his back," and he can trust her. However, a shocking turn of events involving Geiss' health jeopardizes Jack's promotion. Meanwhile, Tracy (Tracy Morgan) realizes that his son did not invite him to 'Bring Your Dad To School Day' and thinks that he is embarrassed by his career. Also stars Jack McBrayer, Scott Adsit, Judah Friedlander and Keith Powell. Rip Torn, Will Arnett and Chris Parnell guest star.

Jason Bateman crashes Will Arnett's interview.

Will Arnett has been a spokesman for "My Dad in the 70s" for, like, a year.

Season 16, Episode 2646: Late Night installs a premium VIP seat behind Conan. First taker: Will Arnett.

Improv comedy artist Will Arnett talks about his experience working with co-stars Will Ferrell and Andre Benjamin.