In the preview for episode 20 of season 9 of The Big Bang Theory, "The Big Bang Theory 9.20 (Preview)", the gang is excited about the upcoming wedding of Leonard and Penny. However, things take a turn for the worse when they realize that they have lost the wedding rings.
| Channel | Category | Duration | Views |
|---|---|---|---|
| Music | TV Clip | 00:20 | 287 |
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