Co-host Vanna White competes against Jeopardy! hosts Ken Jennings and Mayim Bialik; Pat Sajak's daughter Maggie fills in for Vanna at the board.

Janelle James plays for Innocence Project; Sheryl Lee Ralph plays for Donors Choose; and Chris Perfetti plays for GLSEN.

Celebrity contestants London Hughes, Fortune Feimster and Bobby Berk.

Jack Black plays for 24th Street Theatre, Kal Penn plays for Myrtle Avenue Revitalization Project and Sasheer Zamata plays for SELAH Neighborhood Homeless Coalition.

Celebrity contestants RuPaul, Gayle King and Julie Bowen.

Paul Scheer plays for SELAH Neighborhood Homeless Coalition, Luenell plays for Make-A-Wish and Mary Lynn Rajskub plays for Harvest Home LA.

Celebrity contestants Jaime Camil, Michael Rapaport and June Diane Raphael.

Celebrity contestants Kate Flannery, Steve Agee and Austin Creed.

Celebrity contestants Francia Raisa, Joel Madden and Jenifer Lewis.

Celebrity contestants Phil Rosenthal, Carla Hall and Jet Tila.

Celebrity contestants Nikki Glaser, Tig Notaro and Thomas Lennon.

Celebrity contestants Kristen Schaal, Kevin McKidd and Ron Funches.

Celebrity contestants Tiki Barber, Lauren Ash and Jim Jefferies.

Celebrity contestants Amanda Seales, Snoop Dogg and Mark Duplass.