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The Big Bang Theory: “What's New With Physics?”
Season 1: Ep. 0 (00:30)

Watch the clip "What's New With Physics?" from Season 1 of The Big Bang Theory.

The Big Bang Theory: “Costume Party Dude”
Season 1: Ep. 0 (00:41)

Watch the clip "Costume Party Dude" from Season 1 of The Big Bang Theory.

The Big Bang Theory: “You're Welcome”
Season 1: Ep. 0 (00:21)

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The Big Bang Theory: “Dumpling Paradox”
Season 1: Ep. 0 (00:11)

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The Big Bang Theory: “Sheldon Nimoy Napkin”
Season 2: Ep. 0 (01:11)

Watch the clip "Sheldon Nimoy Napkin" from Season 2 of The Big Bang Theory.

The Big Bang Theory: “Sheldon Laundry”
Season 2: Ep. 0 (00:31)

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The Big Bang Theory: “History Christmas Tree”
Season 2: Ep. 0 (00:41)

Watch the clip "History Christmas Tree" from Season 2 of The Big Bang Theory.

The Big Bang Theory: “Drinking Coffee While Driving”
Season 2: Ep. 0 (00:19)

Watch the clip "Drinking Coffee While Driving" from Season 2 of The Big Bang Theory.

The Big Bang Theory: “Penny and Howard's Tango”
Season 2: Ep. 0 (00:31)

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The Big Bang Theory: “Sheldon Ballpit”
Season 3: Ep. 0 (00:36)

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The Big Bang Theory: “Fa La La La La”
Season 3: Ep. 0 (00:59)

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The Big Bang Theory: “Not Penny's Arm”
Season 3: Ep. 0 (01:10)

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The Big Bang Theory: “Robot Arm ER”
Season 4: Ep. 0 (01:22)

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The Big Bang Theory: “Sex Appeal”
Season 4: Ep. 0 (00:23)

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The Big Bang Theory: “Bongos”
Season 5: Ep. 0 (00:50)

Watch the clip "Bongos" from Season 5 of The Big Bang Theory.

The Big Bang Theory: “Boyfriend Breakdown”
Season 1: Ep. 0 (01:55)

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The Big Bang Theory: “Lunch Invitation”
Season 1: Ep. 0 (01:56)

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The Big Bang Theory: “Rational Link”
Season 1: Ep. 0 (01:25)

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The Big Bang Theory: “Musical Foreplay”
Season 1: Ep. 0 (00:50)

Watch the clip "Musical Foreplay" from Season 1 of The Big Bang Theory.

The Big Bang Theory: “Sheldon's Board”
Season 1: Ep. 0 (02:16)

Watch the clip "Sheldon's Board" from Season 1 of The Big Bang Theory.

The Big Bang Theory: “Sheldon in Exile”
Season 2: Ep. 1 (00:55)

Penny tries to help Sheldon think of ways to spend his evening alone.

The Big Bang Theory: “The Favor”
Season 2: Ep. 5 (01:00)

Sheldon demands Penny drive him to work.

The Big Bang Theory: “Cohabitation Rider”
Season 2: Ep. 10 (01:57)

Sheldon convinces Leonard that he is living with his new girlfriend Stephanie.

The Big Bang Theory: “Stephanie Meets Penny”
Season 2: Ep. 10 (01:02)

Penny and Stephanie (Sara Rue) have an awkward introductoin.

The Big Bang Theory: “The New Penny”
Season 2: Ep. 19 (01:03)

Penny is threatened when there's a new girl in the building.

The Big Bang Theory: “Comic Book Store”
Season 2: Ep. 20 (00:56)

Penny's mere presence in a comic book store causes a scene.

The Big Bang Theory: “Sorry Boys”
Season 3: Ep. 0 (01:15)

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The Big Bang Theory: “Miss You Beef”
Season 3: Ep. 4 (01:40)

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The Big Bang Theory: “I Will”
Season 4: Ep. 0 (01:19)

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The Big Bang Theory: “Just Like A Real Hand”
Season 4: Ep. 0 (00:36)

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The Big Bang Theory: “Did You Get The Part?”
Season 4: Ep. 0 (00:30)

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The Big Bang Theory: “The Contract”
Season 4: Ep. 0 (01:18)

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The Big Bang Theory: “Indecent Proposals”
Season 5: Ep. 0 (01:08)

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The Big Bang Theory: “It’s Only Logical”
Season 5: Ep. 0 (01:15)

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The Big Bang Theory: “Progress”
Season 5: Ep. 0 (01:06)

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The Big Bang Theory: “Stop It!”
Season 5: Ep. 0 (01:40)

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The Big Bang Theory: “The Best Relationship”
Season 5: Ep. 0 (00:30)

Watch the clip "The Best Relationship" from Season 5 of The Big Bang Theory.