DRAMA. Thirteen checks out of Princeton-Plainsboro in order for actress Olivia Wilde to pursue a movie career. Too bad she’s not sticking around, because tonight guest star Wentworth Miller plays a man whose altruistic behavior may be the symptom of a medical disorder.

9 p.m., Fox

‘Gossip Girl’

DRAMA. You thought Gossip Girl brought problems to the Upper East Siders? Just wait until they all read Dan’s novel.

8 p.m., The CW

‘Bachelorette Party: Las Vegas’

REALITY. That whole “What happens in Vegas stays in Vegas” thing? Yeah, that so doesn’t apply to this series documenting over-the-top bachelorette parties on the Strip. Can a reality TV show be used as grounds for divorce?

Series premiere, 10 p.m., Oxygen

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