Episode Guide

The Convention Conundrum

The Convention Conundrum

Season 7, Ep. 14

Unable to get Comic-Con tickets, Sheldon tries to hold his own convention and ends up spending a wild evening with James Earl Jones; the ladies try to act maturely.

First Aired: January 30, 2014

View Gallery ►
The Occupation Recalibration

The Occupation Recalibration

Season 7, Ep. 13

Sheldon must learn how to relax when he is forced to take a vacation; Leonard tries to support Penny when she quits her job; Bernadette needs to replace one of Stuart's comic books.

First Aired: January 9, 2014

The Hesitation Ramification

The Hesitation Ramification

Season 7, Ep. 12

As Leonard tries to help Penny with a disappointment, Penny asks him a bold question about their relationship; Sheldon wants to learn how to be funny.

First Aired: January 2, 2014

The Cooper Extraction

The Cooper Extraction

Season 7, Ep. 11

While Sheldon is in Texas, the rest of the gang realize how much he has changed their lives as they decorate the apartment Christmas tree.

First Aired: December 12, 2013

The Discovery Dissipation

The Discovery Dissipation

Season 7, Ep. 10

Amy and Leonard try to help Sheldon deal with his shame; Raj stays with Bernadette and Howard for a week.

First Aired: December 5, 2013

The Thanksgiving Decoupling

The Thanksgiving Decoupling

Season 7, Ep. 9

When the gang decides to spend Thanksgiving at Mrs. Wolowitz's house, Sheldon protests; Leonard and Penny deal with an error from her past.

First Aired: November 21, 2013

The Itchy Brain Simulation

The Itchy Brain Simulation

Season 7, Ep. 8

When a mistake comes to light, Sheldon makes Leonard walk a mile in his shoes; Penny decides to confront Raj's ex.

READ: It's Leonard vs. The Sweater of Red Death

First Aired: November 14, 2013

The Proton Displacement

The Proton Displacement

Season 7, Ep. 7

When Professor Proton asks Leonard for help with an experiment, Sheldon retaliates by befriending Proton's rival, Bill Nye. 

READ: It's Bill Nye the Science Guy vs. Professor Proton, played by Bob Newhart

First Aired: November 7, 2013

View Gallery ►
The Romance Resonance

The Romance Resonance

Season 7, Ep. 6

Sheldon's latest scientific breakthrough leaves him feeling like a fraud; a romantic gesture between Howard and Bernadette causes Penny to up her game with Leonard. 

First Aired: October 24, 2013

View Gallery ►
The Workplace Proximity

The Workplace Proximity

Season 7, Ep. 5

Sheldon and Amy's relationship is tested when she takes a job at his university; a fight with Bernadette leaves Howard sleeping on Raj's couch. 

First Aired: October 17, 2013

View Gallery ►
The Raiders Minimization

The Raiders Minimization

Season 7, Ep. 4

Sheldon wants revenge after Amy ruins one of his favorite films; Leonard finds a way to get Penny to do anything; Stuart and Raj make online dating profiles.

Read more: 'Raiders of the Lost Ark' meets 'BBT' meets Sheldon's wrath

First aired: October 10, 2013

View Gallery ►
The Scavenger Vortex

The Scavenger Vortex

Season 7, Ep. 3

Raj designs a scavenger hunt that brings out the best -- and the worst -- in the whole gang.

READ: Raj unleashes 'Big Bang' demons as he plans a scavenger hunt for the gang

First aired: Oct. 3, 2013

View Gallery ►
The Deception Verification

The Deception Verification

Season 7, Ep. 2

Sheldon and Penny share intimate secrets while Leonard is away at sea, later, Sheldon's feelings are crushed when Leonard returns. Meanwhile, Raj gets consoled about his ex-girlfriend and Wolowitz's relationship with his mother causes an unusual threat to his masculinity.

First Aired: Sept. 26, 2013

View Gallery ►
The Hofstadter Insufficiency

The Hofstadter Insufficiency

Season 7, Ep. 1

Sheldon and Penny share secrets while Leonard is away; Wolowitz helps Raj get over his ex.

READ: Season 7 premiere: Jealousy (no!) babies and trouble in paradise


First Aired: Sept. 26, 2013

View Gallery ►
The Bon Voyage Reaction (Finale)

The Bon Voyage Reaction (Finale)

Season 6, Ep. 24

When Leonard receives an exciting opportunity to work overseas, Penny and Sheldon are thrown for a loop.

'BBT' finale: Sheldon gets jealous over Leonard's new job, and it might not be happily-ever-after with Raj and Lucy 'Spock'-tacular: The cast can't get enough 'Star Trek' on 'BBT'

View Gallery ►
The Love Spell Potential

The Love Spell Potential

Season 6, Ep. 23

Amy and Sheldon's relationship takes a surprising turn during a game of "Dungeons & Dragons"; Lucy and Koothrappali have an awkward date.

Read more: Will Sheldon and Amy actually talk about that thing they've been avoiding?

Gallery: Love is in the air on 'BBT'

First Aired: May 9, 2013

View Gallery ►
The Proton Resurgence

The Proton Resurgence

Season 9, Ep. 22

Leonard and Sheldon hire the host (Bob Newhart) of their favorite childhood TV show to perform; Bernadette and Howard run into trouble while dog-sitting for Raj's pet.

Read more: Sheldon meets his childhood idol on ‘Big Bang Theory’ but ends up riding with him to the hospital

First Aired: May 2, 2013

View Gallery ►
The Closure Alternative

The Closure Alternative

Season 6, Ep. 21

Amy tries to help Sheldon get over his compulsive need for closure when one of his favorite TV shows is canceled; Raj discovers a secret about Lucy.

First Aired: April 25, 2013

View Gallery ►
The Tenure Turbulence

The Tenure Turbulence

Season 6, Ep. 20

The girls get involved when Leonard, Sheldon and Raj compete for tenure at the University.

First Aired: April 4, 2013

View Gallery ►
The Closet Reconfiguration

The Closet Reconfiguration

Season 6, Ep. 19

Howard considers whether or not he should open a letter from his father; Penny and Leonard host a "grown-up" cocktail party.

Read more: You’re invited to a 'Big Bang Theory' dinner party

Read even more: Cast celebrates success of past 4 years, but withholds spoilers

First Aired: March 14, 2013

View Gallery ►
The Contractual Obligation Implementation

The Contractual Obligation Implementation

Season 6, Ep. 18

Leonard, Sheldon and Wolowitz talk to junior high girls about science-related careers; Raj plans a date with Lucy.

Read more: The guys head back to junior high, while Raj tries to sweep Lucy off her feet

Gallery: Forget the lab or the couch, the cast of 'BBT' hits the red carpet

First aired on March 7, 2013.

View Gallery ►
The Monster Isolation

The Monster Isolation

Season 6, Ep. 17

Raj is put out when his date walks out in the middle of their evening, so he vows that he will forever stay put in his apartment. Meanwhile, Sheldon is quite impressed when he witnesses Penny's acting skills firsthand.

Read more: Love was in the air...but maybe not for Raj

First aired on February 21, 2013.

View Gallery ►
The Tangible Affection Proof

The Tangible Affection Proof

Season 6, Ep. 16

The guys search for a perfect Valentine's Day gift for their significant others; Stuart and Raj host a "lonely people" party at the comic book store.

Read more: Valentine's Day on 'BBT'

First aired on February 14, 2013.

View Gallery ►
The Spoiler Alert Segmentation

The Spoiler Alert Segmentation

Season 6, Ep. 15

A fight between Sheldon and Leonard impacts Amy and Penny's living arrangements; while Howard is away, Raj helps Mrs. Wolowitz out.

Read more: Moving in and shacking up on 'BBT'?

First aired on February 7, 2013.

View Gallery ►
The Cooper/Kripke Inversion

The Cooper/Kripke Inversion

Season 6, Ep. 14

Sheldon faces a crisis of confidence when he is forced to work with his nemesis, Barry Kripke; Raj and Howard buy expensive action figures of themselves.

Read: My 88-year-old 'Meemaw's' love of 'Big Bang Theory'

First aired on January 31, 2013.

View Gallery ►

Next Episode

Thursday at 8:00pm ET/PT on CTV

Available Online: Friday 

Watch full-length episodes of The Big Bang Theory for 7 days after the original broadcast without signing in. Sign in to catch up on additional videos.

Big Bang Theory

'Big Bang Theory' Quickies

More Galleries

Cast Tweets

CTV's New Series

  • The Odd Couple

    "The Odd Couple" follows endearing slob Oscar Madison and uptight neat freak Felix Unger, two former college buddies who become unlikely roommates after the demise of their marriages.

  • American Crime

    A brutal attack on a young married couple, which leaves the husband dead, stirs up tensions across racial lines.

  • Secrets And Lies

    Ben Garner is about to go from Good Samaritan to murder suspect, after he discovers the body of his neighbor's young son in the woods.

  • CSI: Cyber

    Special Agent Avery Ryan heads the Cyber Crime Division of the FBI. While other agents search for criminals in dark homes and alleys, Ryan searches the “dark net.”

Watch Movies On CTV.ca!