Aired Wednesday May 22, 12:15am - 12:45amon E4

The Big Bang Theory

Series 12 Episode 4: The Tam Turbulence

When Sheldon won't reveal to anyone why he's never mentioned Tam, his childhood best friend, Leonard takes matters into his own hands.

Original air date
Cast and crew
  • Mark CendrowskiDirector
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRaj Koothrappali
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