AFTER LOSING HIS JOB, SHELDON ATTEMPTS TO EXPLORE THE "DREADFUL" LIFE BEYOND PHYSICS, ON "THE BIG BANG THEORY," MONDAY, OCT. 15

Emmy Award Winner Laurie Metcalf ("Roseanne") Guest Stars As Sheldon's Mom

"The Luminous Fish Effect" - When Sheldon gets fired, he explores life beyond physics, but his initial thrill of shopping with Penny devolves over time to him weaving ponchos as a shut-in, forcing Leonard to call on Sheldon's mother, on THE BIG BANG THEORY, Monday, Oct. 15 (8:30-9:00 ET/PT) on the CBS Television Network.

SERIES REGULARS:

Leonard: Johnny Galecki
Sheldon: Jim Parsons
Wolowitz: Simon Helberg
Koothrappali: Kunal Nayyar
Penny: Kaley Cuoco

GUEST CAST:

Mary: Laurie Metcalf
Dr. Eric Gablehauser: Mark Harelik
Summer: Sierra Edwards

STORY BY: Chuck Lorre & Bill Prady, series creators and executive producers

TELEPLAY BY: David Litt & Lee Aronsohn

DIRECTED BY: Bob Koherr

RATING: TV-14-DL