The Big Bang Theory
Watch Full Episodes on CBS All Access
First Look: Sheldon And Penny Have Their Patience Tested On The Big Bang Theory
Penny almost tricks Sheldon with this image of a reality-TV star.
"The Line Substitution Solution" (Episode 23, Season 9 of The Big Bang Theory)
By viewing our video content you are accepting the terms of our Video Services Policy. © 2019 CBS Interactive. All rights reserved.