Aired Saturday April 24, 9:40am - 10:10amon Channel 4 +1

The Big Bang Theory

Series 5 Episode 23: The Launch Acceleration

When NASA tells a nervous Wolowitz that his space mission has been rescheduled, he tries to use the wedding as an excuse not to go, but he's forced to agree when he realises that Bernadette's father only likes him because he's an astronaut. Amy develops a cunning psychological plan to bring Sheldon closer, and Penny is surprised by a proposal at an inappropriate moment.

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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