Proud of the Invention! - The Big Bang Theory Season 9 Episode 24

Proud of the Invention! - The Big Bang Theory Season 9 Episode 24

Howard has to be proud of the navigational system he and the guys have been working on together. But is the government really out to get them because of it?
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Paranoia? - The Big Bang Theory Season 9 Episode 24

Paranoia? - The Big Bang Theory Season 9 Episode 24

Meanwhile, Wolowitz and Koothrappali are pretty sure the government is out to get them when they are contacted about their guidance system.
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Sheldon's Mom is Back Too - The Big Bang Theory Season 9 Episode 24

Sheldon's Mom is Back Too - The Big Bang Theory Season 9 Episode 24

Sheldon's mother (Laurie Metcalf) also visits for the special occasion, as Penny tries to plan a wedding ceremony that will include all of their family and friends.
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Meet Leonard's Dad! - The Big Bang Theory Season 9 Episode 24

Meet Leonard's Dad! - The Big Bang Theory Season 9 Episode 24

We finally get to meet Leonard's dad! Judd Hirsch plays Leonard's dad, Alfred, who is recently divorced from Leonard's mother.
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Awkward Dinner Party? - The Big Bang Theory Season 9 Episode 24

Awkward Dinner Party? - The Big Bang Theory Season 9 Episode 24

We've seen what it was like to put Leonard's mother and Sheldon's mother in a room together, but what happens when you also add Leonard's dad to that mix? That's gotta be an awkward dinner conversation.
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Awkward Family Visit - The Big Bang Theory

Awkward Family Visit - The Big Bang Theory

Sheldon and Leonard's paretns have an awkward family visit on The Big Bang Theory. "The Convergence Convergence" is the 24th episode of the show's ninth season.
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Penny Struggles - The Big Bang Theory

Penny Struggles - The Big Bang Theory

Penny struggles to make a connection with Leonard's mother on The Big Bang Theory. "The Line Substitution Solution" is the 23rd episode of the show's ninth season.
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The Wine Tasting - The Big Bang Theory

The Wine Tasting - The Big Bang Theory

The gang heads out to a wine tasting on The Big Bang Theory. "The Fermentation Bifurcation" is the 22nd episode of the show's ninth season.
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The Get-Together - The Big Bang Theory

The Get-Together - The Big Bang Theory

A heated argument breaks out during a get-together on The Big Bang Theory. "The Viewing Party Combustion" is the 21st episode of the show's ninth season.
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Pregnancy Gifts - The Big Bang Theory

Pregnancy Gifts - The Big Bang Theory

Raj goes overboard with pregnancy gifts on The Big Bang Theory. "The Big Bear Precipitation" is the 20th episode of the show's ninth season.
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The Movie Lie - The Big Bang Theory

The Movie Lie - The Big Bang Theory

Koothrappali sells out Leonard and Wolowitz after they lie to their wives. "The Solder Excursion Diversion" is the 19th episode of the show's ninth season.
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Patent Problems - The Big Bang Theory

Patent Problems - The Big Bang Theory

The boys run into problems when they file for a patent on The Big Bang Theory. "The Application Deterioration" is the 18th episode of the show's ninth season.
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TBBT Quotes

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.

It's very simple. Scissors cuts paper, paper covers rock, rock crushes lizard, lizard poisons Spock, Spock smashes scissors, scissors decapitates lizard, lizard eats paper, paper disproves Spock, Spock vaporizes rock, and, as it always has, rock crushes scissors

Sheldon