The Big Bang Theory

S5 E15 • The Friendship Contraction

Comedyserie

USA 2012

After Sheldon keeps Leonard awake all night, Leonard decides that he needs a break from Sheldon's thankless demands and the Roommate Agreement is formally broken, ending the friendship between them. While preparing to go on a flight to the International Space Station, Howard enlists Raj's help to make sure that he gets a cool astronaut nickname like the rest of the crew.

Cast

• Johnny Galecki
• Jim Parsons
• Kaley Cuoco
• Simon Helberg
• Kunal Nayyar
• Mayim Bialik

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