Episode Guide

The Skywalker Incursion

The Skywalker Incursion

Season 8, Ep. 19

While on their way to UC Berkeley, Sheldon and Leonard take a detour in hope of meeting an idol.

First Aired: April 2, 2015.

The Leftover Thermalization

The Leftover Thermalization

Season 8, Ep. 18

A magazine article only credits Sheldon in an article about a paper he co-wrote with Leonard.

First Aired: March 12, 2015.

The Colonization Application

The Colonization Application

Season 8, Ep. 17

Amy finds out that Sheldon applied for a one-way mission to colonize Mars.

First Aired: March 05, 2015.

The Intimacy Acceleration

The Intimacy Acceleration

Season 8, Ep. 16

Penny and Sheldon design an experiment -- as a joke -- to make participants fall in love.

First Aired: February 26, 2015.

The Comic Book Store Regeneration

The Comic Book Store Regeneration

Season 8, Ep. 15

Amid the excitement of Stuart reopening his comic-book store, Howard gets some unsettling news; and after teaching Sheldon how to "let it go," Penny doesn't practice what she preaches when she learns something maddening about Amy. 

First Aired: February 19, 2015. 

Season Premiere

Monday, September 21 at 7:30ET/PT on CTV

Available Online: September 22. 
Watch full-length episodes of The Big Bang Theory online for 7 days after the original broadcast.

Big Bang Theory

'Big Bang Theory' Quickies


  • Buck 65 extended

    The musician talks to Liz Trinnear about putting pen to paper for his first book.

  • The Weeknd to perform at VMAs

    Canada's own The Weeknd will perform at this Sunday's MTV VMAs. Check out who else will take the stage!

  • Mayim Bialik extended

    The "Big Bang Theory" star teases what's to come in the new season.

  • TIFF guest list announced

    Matt Damon, Rachel McAdams, Jake Gyllenhaal and more are slated to take Toronto this September for TIFF.

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