Sheldon becomes agitated when his regular barber is out sick. Astronaut training causes Howard to reconsider wanting to go into space. Penny beats Leonard in chess, the first time she plays.
Elenco:
Jim Parsons
,
Johnny Galecki
,
Kaley Cuoco
,
Simon Helberg
,
Kunal Nayyar
,
Mayim Bialik
,
Melissa Rauch
,
Kevin Sussman
,
Aarti Mann
,
Kevin Sussman
,
Sara Gilbert
.
