James Hong as Chen
Episodes 2
The Dumpling Paradox
November 5, 2007
• 21m
1x7
With Wolowitz AWOL with one of her friends, Penny's recruited to fill in for him on the guys' Halo team
Read MoreThe Tangerine Factor
Season Finale
May 19, 2008
• 20m
1x17
Penny's break-up spurs Leonard to summon the courage to ask her out, and each goes to Sheldon for advice on their upcoming date.
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