Big Bang Theory
S4
The Thespian Catalyst

Thursday, 3rd February 2011
 1:00 pm E4

UK
Thursday, 18th July 2019E41800Big Bang TheoryThe Thespian Catalyst
Thursday, 25th July 2019E41300Big Bang TheoryThe Thespian Catalyst
Tuesday, 1st October 2019E42325Big Bang TheoryThe Thespian Catalyst
Saturday, 5th October 2019E41930Big Bang TheoryThe Thespian Catalyst

USA
Saturday, 13th July 2019TBS2230Big Bang TheoryThe Thespian Catalyst


Johnny Galecki
Leonard Hofstadter
Jim Parsons
Sheldon Cooper
Kaley Cuoco
Penny
Simon Helberg
Howard Wolowitz
Kunal Nayyar
Raj Koothrappali
Mayim Bialik
Amy Farrah Fowler






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