The Big Bang Theory

9:30pm – Sunday, May 9 on CTV

Leonard (Johnny Galecki) and Sheldon (Jim Parsons) compete for the attention of a famous female physicist. Judy Greer (ARRESTED DEVELOPMENT) guest Stars as Dr. Elizabeth Plimpton.

9:00pm – Monday, May 3 on CTV

When Leonard (Johnny Galecki) and Penny (Kaley Cuoco) aren’t speaking, Sheldon (Jim Parsons) goes to extremes to keep them both happy.

9:30pm – Monday, January 11 on CTV

While Sheldon (Jim Parsons) and Koothrappali (Kunal Nayyar) attend a university mixer, Leonard (Johnny Galecki) is upset to discover that Penny (Kaley Cuoco) believes in psychics.

9:30pm – Monday, December 14 on /A

Also airs at 10:30 p.m. AT on /A Atlantic and 10:30 p.m. MT on ACCESS

A visit from Leonard’s (Johnny Galecki) mother (guest star Christine Baranski, THE GOOD WIFE) delights Sheldon (Jim Parsons) and horrifies Leonard.

9:30pm – Monday, December 7 on /A

Also airs at 10:30 p.m. AT on /A Atlantic and 10:30 p.m. MT on ACCESS

Sheldon (Jim Parsons) attempts to help Penny (Kaley Cuoco) understand Leonard’s (Johnny Galecki) work, and Wolowitz (Simon Helberg) becomes jealous when Leonard starts hanging out with his new girlfriend.

9:30pm – Monday, November 30 on /A

Also airs at 10:30 p.m. AT on /A Atlantic and 10:30 p.m. MT on ACCESS

Socially awkward Sheldon (Jim Parsons) develops a scientific procedure for making friends.

9:30pm – Monday, November 23 on /A

Also airs at 10:30 p.m. AT on /A Atlantic and 10:30 p.m. MT on ACCESS

After he’s humiliated on National Public Radio, Sheldon (Jim Parsons) vows to destroy Kripke (John Ross Bowie), while Wolowitz (Simon Helberg) tries not to destroy his new relationship with Bernadette (Melissa Rauch).

9:30pm – Monday, November 16 on /A

Also airs at 10:30 p.m. AT on /A Atlantic and 10:30 p.m. MT on ACCESS

With Leonard (Johnny Galecki), Howard (Simon Helberg) and Raj (Kunal Nayyar) away camping in the desert, an injured Penny (Kaley Cuoco) has only Sheldon (Jim Parsons) to rely on.

9:30pm – Monday, November 9 on /A

Also airs at 10:30 p.m. AT on /A Atlantic and 10:30 p.m. MT on ACCESS

An argument between Leonard (Johnny Galecki) and Penny (Kaley Cuoco) proves “inconvenient” to Sheldon (Jim Parsons).

9:30pm – Monday, November 2 on /A

Also airs at 10:30 p.m. AT on /A Atlantic and 10:30 p.m. MT on ACCESS

Sheldon (Jim Parsons) teaches Leonard (Johnny Galecki) how to understand football while a kite-fighting incident threatens Howard (Simon Helberg) and Raj’s (Kunal Nayyar) friendship.