The Big Bang Theory/The Prestidigitation Approximation
From The TV IV
| The Prestidigitation Approximation | |
| Season 4, Episode 18 | |
| Airdate | March 10, 2011 |
| Production Number | 3X6668 |
| Writer(s) | Chuck Lorre & Steven Molaro & Eric Kaplan (teleplay) Bill Prady & Steve Holland & Eddie Gorodetsky (story) |
| Director(s) | Mark Cendrowski |
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| The Toast Derivation | The Zarnecki Incursion |
| The Big Bang Theory — Season Four | |
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The Prestidigitation Approximation is the eighteenth episode of the fourth season of The Big Bang Theory, and the eighty-first episode overall.
Starring: Johnny Galecki (Dr. Leonard Hofstadter), Jim Parsons (Dr. Sheldon Cooper), Kaley Cuoco (Penny), Simon Helberg (Howard Wolowitz), Kunal Nayyar (Dr. Rajesh "Raj" Koothrappali)
Guest Starring: Aarti Mann (Priya)
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