A holiday edition features star players Ray Romano, Cheryl Hines, Gavin DeGraw, Rachel Bilson, Andy Roddick and Brooklyn Decker.

Season 2 opens with star players Martin Short, Jason Alexander, Lester Holt, Valerie Bertinelli, Beth Behrs and Julie Bowen.

The celebrity players are Michael Chiklis, Thomas Lennon, Mario Lopez, Retta, Paget Brewster and Alyssa Milano.

The celebrity players are Cobie Smulders, Taran Killam, Henry Winkler, Angie Harmon, Mayim Bialik and Mark Feuerstein.

The star players are Nate Berkus, Erika Christensen, Michelle Trachtenberg, Padma Lakshmi, Michael Weatherly and Mel B.

The players are Chris Colfer, Rosie O'Donnell, Penny Marshall, Taryn Manning, Donald Faison and Kaley Cuoco.

The celebrity players are Sean Hayes, Allison Janney, Don Cheadle, Christina Applegate, Jason Sudeikis and Olivia Wilde.

Two champions return and face off in a showdown. The celebrity players are Anthony Anderson, Yvette Nicole Brown, Gary Dell'Abate, Adam Scott, Tiffani Thiessen and Pete Wentz.

The celebrity players are Mark-Paul Gosselaar, Taraji P. Henson, Breckin Meyer, Alison Sweeney, Angela Kinsey and Fred Willard.

The celebrity players are Jenna Elfman, Donald Faison, Bob Harper, Ellie Kemper, Joel Madden and Molly Shannon.

The celebrity players are Wayne Brady, Lauren Cohan, Zachary Levi, Jaime Pressly, Tara Lipinski and Rachael Ray.

The celebrity players are Jerome Bettis, Michael Weatherly, Lauren Graham, Rita Wilson, Gillian Jacobs and Joe Manganiello.

The party-game celebrities are Wendie Malick, Valerie Bertinelli, Jane Leeves, Mekhi Phifer, Billy Eichner and Andy Richter.

The party-game stars are Nate Berkus, Adam DeVine, Tony Hale, Arsenio Hall, Malin Akerman and Bradley Whitford.

The celebrity players are Jenna Fischer, Darren Criss, Jason Biggs, Laura Prepon, Natasha Lyonne and Mario Lopez.

The celebrity players are Tim Gunn, Tiffani Thiessen, Jeff Probst, Leslie Bibb, Poppy Montgomery and David Alan Grier.

The celebrity players are Margaret Cho, Scott Wolf, Matthew Morrison, Martha Stewart, Mena Suvari and Curtis Stone.

The celebrity game-night players are Krysten Ritter, Wynonna Judd, Johnny Weir, Leah Remini, Nick Swardson and Scott Foley.

Contestants play party games with celebrities Seth Green, Monica Potter, Jenna Elfman, Dave Foley, Michael Ealy and Katy Mixon.