(BUZZER SOUNDS)
The Big Bang Theory Season 2, Episode 18
(BUZZER SOUNDS)
The Big Bang Theory Season 1, Episode 13
(BUZZER SOUNDS)
The Big Bang Theory Season 1, Episode 13
(BUZZER SOUNDS)
The Big Bang Theory Season 1, Episode 13
(BUZZER SOUNDS)
The Big Bang Theory Season 1, Episode 13