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00:00 Penny Never Belonged In Apartment 4A
01:02 Why Penny Was Never The Normal One
03:10 Penny is the Smartest
05:33 The Sheldon Penny Friendship
07:15 Leonard and Penny
09:55 Here's Where it Gets Interesting
13:19 She Changed the Group
14:12 Why Penny Actually Matters
15:22 The Final Reason


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Penny is often remembered as the pretty neighbor in The Big Bang Theory, but I think she was much more important than most fans realize.
From her relationship with Leonard to her friendship with Sheldon, this is a deep dive into why Penny became the emotional center of the show.