1: "Sheldon's Secret Twin Revealed"

2: "Penny's Unexpected Pregnancy"

3: "Leonard's Time-Travel Adventure"

4: "Raj's Surprise Engagement"

5: "Howard's Long Lost Sibling"

6: "Amy's Career Change Bombshell"

7: "Bernadette's Hidden Talent Revealed"

8: "Stuart's Romantic Confession"

9: "The Gang's Ultimate Reunion"