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BIG BANG THEORY, THE
Air Date: Monday, October 20, 2014
Time Slot: 8:00 PM-8:30 PM EST on CBS
Episode Title: (#4X6756) "The Expedition Approximation"
[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 RAJ SEE IF THEY CAN SURVIVE INTENSE HEAT - AND EACH OTHER - WHEN THEY VENTURE DEEP UNDERGROUND IN THE NAME OF SCIENCE, ON "THE BIG BANG THEORY," MONDAY, OCT. 20

"The Expedition Approximation" - Sheldon and Raj test whether they could survive a dark-matter research expedition in a salt mine by simulating the conditions in a steam tunnel. Meanwhile, Leonard and Penny seek advice from Wolowitz and Bernadette after they fight about money, on THE BIG BANG THEORY, Monday, Oct. 20 (8:00-8:31 PM, ET/PT), on the CBS Television Network.

REGULAR CAST:

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

STORY BY: Steven Molaro, Dave Goetsch, Tara Hernandez

TELEPLAY BY: Jim Reynolds, Steve Holland, Maria Ferrari

DIRECTED BY: Mark Cendrowski

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