About this programme
18/24. Sheldon refuses to get his hair cut after his regular barber dies - a solitary change that causes chaos in the rest of his well-ordered life. Meanwhile, Howard undergoes a gruelling Nasa training programme in Houston, Texas, meaning he can only communicate with Bernadette via the internet.
Cast and crew
Cast
- Leonard Hofstadter
- Johnny Galecki
- Sheldon Cooper
- Jim Parsons
- Howard Wolowitz
- Simon Helberg
- Raj Koothrappali
- Kunal Nayyar
- Penny
- Kaley Cuoco
- Bernadette
- Melissa Rauch
- Amy Farrah Fowler
- Mayim Bialik
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