Actress Kat Graham; comic Greg Proops.

Olympic figure skater Tara Lipinski; comic Keegan-Michael Key.

Actor Verne Troyer; guest comic Nyima Funk.

Actor Michael Weatherly; guest comic Greg Proops.

Sumo wrestler Byambajav Ulambayar; guest comic Gary Anthony Williams.

Actor Nolan Gould; guest comics Jeff Davis and Greg Proops.

Actress Mircea Monroe; guest comic Gary Anthony Williams.

Guest comic Keegan-Michael Key.

TV personality Jack Osbourne; guest comic Nyima Funk.

Professional football player Rob Gronkowski; guest comic Jonathan Mangum.

Actor Robbie Amell; guest comic Jeff Davis.

Actor Misha Collins; guest comic Brad Sherwood.

TV host Sheryl Underwood; guest comic Jeff Davis.

Singer Mel B.; comic Gary Anthony Williams.

Actor Kunal Nayyar; comic Brad Sherwood.

Comic Jeff Davis.

Chef Padma Lakshmi; guest comic Heather Anne Campbell.

Guest comic Jeff Davis.

Professional basketball player Matt Barnes; comic Gary Anthony Williams.

Guest comic Gary Anthony Williams.

Weightlifter Brian Shaw, the “World's Strongest Man”; comedian Heather Anne Campbell.

Wendi McLendon-Covey; comedian Jonathan Mangum.

Comedian Heather Anne Campbell.