This list shows the episodes where Leonard and Penny are in a relationship.
All items (15)
- File:Leonard and Penny Kiss
- File:Leonard proposes to Penny in bed.
- File:Leonard Showing Pictures and Sheldon Invading.
- File:TBBT - "Hi.......Hi.......REALLY GOOD KISS!!!"
- File:TBBT - The Beta Test Initiation
- File:TBBT 5X13 The Recombination Hypothesis Promo (CTV) - Canadian Version
- File:TBBT 5X14 The Beta Test Initiation Promo (CTV) - Canadian Version
- File:TBBT ~ Penny Says "I Love You" to Leonard for the first time
- File:The Big Bang Theory - 'Beta Test'
- File:The Big Bang Theory - Penny & Leonard's first kiss
- File:The Big Bang Theory - Penny, Amy, Bernadette dressed as Sleeping Beauty,Snow White And Cinderella
- File:The Big Bang Theory - The Misinterpretation Agitation (Sneak Peek 2)
- File:The Big Bang Theory 5x13 Promo The Recombination Hypothesis
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