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BIG BANG THEORY, THE
Air Date: Thursday, January 05, 2017
Time Slot: 8:00 PM-8:31 PM EST on CBS
Episode Title: (#T12.15312) "The Holiday Summation"
[NOTE: The following article is a press release issued by the aforementioned network and/or company. Any errors, typos, etc. are attributed to the original author. The release is reproduced solely for the dissemination of the enclosed information.]

SHELDON AND AMY VISIT LEONARD AND PENNY FOR THE FIRST TIME SINCE THE HOLIDAYS AND SHARE DETAILS ABOUT THEIR TERRIBLE TRIP TO TEXAS, ON "THE BIG BANG THEORY," THURSDAY, JAN. 5

Laurie Metcalf Returns as Sheldon's Mother, Mary

"The Holiday Summation" - Sheldon and Amy visit Leonard and Penny for the first time since the holidays and share details about their terrible trip to Texas, on THE BIG BANG THEORY, Thursday, Jan. 5 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary.

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)
Laurie Metcalf (Mary)

GUEST CAST:

Pamela Adlon (Halley, O.S)

STORY BY: Steve Molaro, Eric Kaplan, Tara Hernandez

TELEPLAY BY: Steve Holland, Maria Ferrari, Jeremy Howe

DIRECTED BY: Mark Cendrowski