Aired Sunday October 17, 4:25pm - 4:55pmon E4 +1

The Big Bang Theory

Series 9 Episode 4: The 2003 Approximation

An impending change to his living arrangements inspires Sheldon to revert to 2003, before he met Penny and Leonard; Raj and Howard form a band.

Category
Comedy / Sitcom
Original air date
2015-10-12
Cast and crew
  • Mark CendrowskiDirector
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRaj Koothrappali
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