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The Big Bang Theory

"The Staircase Implementation"

Leonard tells Penny about how he met Sheldon and what happened to the elevator.  (Repeat)

Tue 9/8 8:00 PM  TBS
Duration: 30 minutes
Rated: TV-PG
Sitcom, Comedy

Cast:
Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Carol ann Susi (Guest Star), Ally Maki (Guest Star), Steven Yeun (Guest Star), Ajgie Kirkland (Guest Star), Ed Lieberman (Guest Star)

Crew:
Chuck Lorre (Executive Producer), Bill Prady (Executive Producer), Lee Aronsohn (Writer), Steven Molaro (Writer), Steve Holland (Writer), Chuck Lorre (Writer), Dave Goetsch (Writer), Maria Ferrari (Writer), Mark Cendrowski (Director)

9/4/15
07:00 PM
"The Einstein Approximation"  Sheldon tries to figure out the answer to a physics problem by working with Penny.  (Repeat) WSBK
9/4/15
07:30 PM
"The Itchy Brain Simulation"  When a mistake comes to light, Sheldon makes Leonard walk a mile in his shoes; Penny decides to confront Raj's ex.  (Repeat) WSBK
9/4/15
07:30 PM
"The Einstein Approximation"  Sheldon tries to figure out the answer to a physics problem by working with Penny.  (Repeat) WWOR
9/4/15
11:00 PM
"The Itchy Brain Simulation"  When a mistake comes to light, Sheldon makes Leonard walk a mile in his shoes; Penny decides to confront Raj's ex.  (Repeat) WNYW
9/5/15
07:00 PM
"The Nerdvana Annihilation"  Leonard and the guys buy a time machine prop from a classic movie; Penny tells the guys their obsession with comics and toys is pathetic.  (Repeat) WSBK
9/5/15
07:30 PM
"The Pork Chop Indeterminacy"  Leonard devises a plan to eliminate his rivals when he, Wolowitz and Koothrappali all fall for Sheldon's twin sister, but his plan backfires when Sheldon decides to choose who his sister dates.  (Repeat) WSBK
9/5/15
08:00 PM
"The Excelsior Acquisition"  Sheldon ends up in traffic court after getting a ticket because of Penny.  (Repeat) TBS
9/5/15
08:30 PM
"The Precious Fragmentation"  When the guys buy a ring from "The Lord of the Rings" at a garage sale, the item threatens to tear them apart.  (Repeat) TBS
9/5/15
09:00 PM
"The Pants Alternative"  Sheldon's stage fright stands between him and a coveted award.  (Repeat) TBS
9/5/15
09:30 PM
"The Wheaton Recurrence"  Penny and Leonard have a fight that threatens their relationship; Sheldon and Wil Wheaton face off once again.  (Repeat) TBS
The Big Bang Theory

Premise
Mensa-fied best friends and roommates Leonard and Sheldon, physicists who work at the California Institute of Technology, may be able to tell everybody more than they want to know about quantum physics, but getting through most basic social situations, especially ones involving women, totally baffles them. How lucky, then, that babe-alicious waitress/aspiring actress Penny moves in next door. Frequently seen hanging out with Leonard and Sheldon are friends and fellow Caltech scientists Wolowitz and Koothrappali. Will worlds collide? Does Einstein theorize in the woods?

Current cast
Johnny Galecki as Leonard
Jim Parsons as Sheldon
Kaley Cuoco-sweeting as Penny
Simon Helberg as Wolowitz
Kunal Nayyar as Koothrappali
Mayim Bialik as Amy
Melissa Rauch as Bernadette

Program data from Tribune Media Services, Inc.