THE GUYS TRY TO CRASH WIL WHEATON'S DUNGEONS AND DRAGONS GAME INVOLVING HIS CELEBRITY FRIENDS, ON "THE BIG BANG THEORY," THURSDAY, FEB. 21

Special Guest Stars Include William Shatner, Actor Joe Manganiello, NBA Legend Kareem Abdul-Jabbar and Director Kevin Smith

"The D & D Vortex" - When the gang finds out Wil Wheaton hosts a celebrity Dungeons and Dragons game involving William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith, deception and betrayal are the path to make it to the one open seat, on THE BIG BANG THEORY, Thursday, Feb. 21 (8:00-8:31 PM, ET/PT) on the CBS Television Network.

REGULAR CAST:

Johnny Galecki (Leonard)
Jim Parsons (Sheldon)
Kaley Cuoco (Penny)
Simon Helberg (Wolowitz)
Kunal Nayyar (Koothrappali)
Mayim Bialik (Amy)
Melissa Rauch (Bernadette)

RECURRING CAST:

Kevin Sussman (Stuart)
Wil Wheaton (Himself)
Kevin Smith (Himself)

GUEST CAST:

William Shatner (Himself)
Joe Manganiello (Himself)
Kareem Abdul-Jabbar (Himself)

STORY BY: Steve Holland, Maria Ferrari, Anthony Del Broccolo

TELEPLAY BY: Eric Kaplan, Andy Gordon, Tara Hernandez

DIRECTED BY: Mark Cendrowski