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Penny is forced to revise for a work assessment during the girls' trip to Las Vegas, and Amy and Bernadette accuse her of spoiling their fun.
Meanwhile, the guys try to invent something of scientific importance - but only come up with new ways to procrastinate.
Comedy, starring Johnny Galecki, Jim Parsons and Kaley Cuoco.
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Broadcasts and Catch Up TV for The Big Bang Theory (5/24).
Previous broadcasts on TV
Broadcasts in 2019
21/05/2019 at 13:30
09/03/2019 at 17:35
11/01/2019 at 20:00
06/01/2019 at 15:00
03/01/2019 at 20:00
Broadcasts in 2018
21/12/2018 at 02:55
20/12/2018 at 10:00
16/11/2018 at 13:00
09/11/2018 at 18:00