The Big Bang Theory Season 12

"The Stockholm Syndrome"

On The Big Bang Theory Season 12 Episode 24, Sheldon and Amy stick together, and Koothrappali makes a new friend as the gang travels together into the future.

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"The Change Constant"

On The Big Bang Theory Season 12 Episode 23, as Sheldon and Amy await big news, and Bernadette and Wolowitz leave their kids for the first time.

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"The Maternal Conclusion"

On The Big Bang Theory Season 12 Episode 22, Leonard is pleasantly surprised when Beverly comes to visit until he finds out the real reason she's there.

"The Plagiarism Schism"

On The Big Bang Theory Season 12 Episode 21, Kripke has proof that Dr. Pemberton plagiarized his thesis and Sheldon and Amy aren't sure if they should turn him in.

"The Decision Reverberation"

On The Big Bang Theory Season 12 Episode 20, Koothrappali is worried he won't be taken seriously after publishing a paper saying he may have found alien life.

"The Inspiration Deprivation"

On The Big Bang Theory Season 12 Episode 19, what it would mean for women everywhere if Amy were to win a Nobel Prize causes Amy to have a meltdown.

"The Laureate Accumulation"

On The Big Bang Theory Season 12 Episode 18, Sheldon and Amy try to bring Nobel laureates Kip Thorne, George Smoot and Frances Arnold to their side.

"The Conference Valuation"

On The Big Bang Theory Season 12 Episode 17, with Wolowitz watching the kids, Sheldon finds a book on experimenting on kids, and the gang makes a day of it.

"The D & D Vortex"

On The Big Bang Theory Season 12 Episode 16, the gang uses deception and betrayal to get the one open seat at Wil Wheaton's Celebrity Dungeons and Dragons game.

"The Donation Oscillation"

On The Big Bang Theory Season 12 Episode 15, Penny tries to seduce an abstaining Leonard to ruin his "donation" for her ex-boyfriend and his wife.

"The Meteorite Manifestation"

On The Big Bang Theory Season 12 Episode 14, Leonard is disappointed when he's excluded from a project and Bernadette and Wolowitz may be breaking the law.

"The Confirmation Polarization"

On The Big Bang Theory Season 12 Episode 13, Sheldon and Amy's super asymmetry theory is proven by two physicists who try to kick Amy off the Nobel nomination.

"The Propagation Proposition"

On The Big Bang Theory Season 12 Episode 12, Koothrappali tries to mend things with his ex-fiancée, Anu and Penny's ex-boyfriend, Zack, asks for Leonard's help.

"The Paintball Scattering"

On The Big Bang Theory Season 12 Episode 11, Penny and Leonard organize a paintball game that results in mayhem while Sheldon is jealous of Amy.

"The VCR Illumination"

On The Big Bang Theory Season 12 Episode 10, Bernadette helps Wolowitz ace his Magic Castle audition and Sheldon finds a VHS tape from his past.

"The Citation Negation"

On The Big Bang Theory Season 12 Episode 9, Sheldon and Amy are devastated after learning that Super-Asymmetry has already been discovered and disproven.

"The Consummation Deviation"

On The Big Bang Theory Season 12 Episode 8, when Wolowitz lures Mr. Fowler away with magic tricks, Sheldon has no choice but to bond Amy's mother.

"The Grant Allocation Derivation"

On The Big Bang Theory Season 12 Episode 7, Bernadette turns the backyard playhouse into aher own hideaway, while Leonard distributes extra grant money.

"The Imitation Perturbation"

On The Big Bang Theory Season 12 Episode 6, Sheldon seeks retaliation at Leonard and Penny's Halloween party when Wolowitz dresses to look like him.

"The Planetarium Collision"

On The Big Bang Theory Season 12 Episode 5, Sheldon wants to ensure Amy is available to work with him and accidentally sabotages her career in the process.

"The Tam Turbulence"

On The Big Bang Theory Season 12 Episode 4, Bernadette and Penny take out Anu and Sheldon won't say why he's never mentioned Tam, his childhood best friend.

"The Procreation Calculation"

On The Big Bang Theory Season 12 Episode 3, Raj explores an arranged marriage, while Penny and Leonard talk about starting a family

"The Wedding Gift Wormhole"

On The Big Bang Theory Season 12 Episode 2, Sheldon and Amy make themselves crazy figuring out what the "perfect gift" is that Leonard and Penny gave them.

"The Conjugal Configuration"

On The Big Bang Theory Season 12 Episode 1, Sheldon and Amy's honeymoon plans fall apart, and they have to make a big decision about the future.

Show:
The Big Bang Theory
Season:
12
Air Dates:
to
Total Episodes:
24

The Big Bang Theory Season 12 Quotes

Sheldon: The only drug I need is the endorphins pumping through my brain in anticipation of our victory.
Amy: Well, technically, anticipation wouldn't be mediated by endorphins as much as dopamine but, y'know, you've been up all night so I'll give you that one.

Penny: Leonard? Coffee?
Leonard: Black and strong like Luke Cage.
Penny: I'm too tired to even be disturbed by that.