What to Watch Wednesday: Psych Gets a Clue, the Whitney and Neighbors Finales and More

Psych - Season 7On TV this Wednesday: It’s Psych‘s 100th… in the study… with the wrench!  Also, The Neighbors host both Starfleet and the Rebel Alliance in the season finale, it’s last call for Whitney and Law & Order: SVU takes a Walking Dead star on a legitimately thorny journey.As a supplement to TVLine’s original features (linked within), here are 10 programs to keep on your radar.

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8 pm Whitney (NBC) | One-hour season finale: Alex is surprised to discover he loves Lily’s company, and Whitney finds it disconcerting that her shrink (returning guest star Chelsea Handler) is eating a birthday cake by herself in the park. (Not yet renewed; find out its current status.)

8 pm The Middle (ABC) | Saturday Night Live alum Molly Shannon returns as Frankie’s perfectionist sister, Janet, who volunteers to run the Heck household while Frankie studies for her dental-assisting school finals. It… doesn’t go well.

8:30 pm The Neighbors (ABC) | Season finale: While the Weavers and the Bird-Kersees gallivant in Atlantic City, Dick Butkus gets an ominous call from his grandpa: Is it time for the neighborhood to relocate to Zabvron? Sci-fi legends George Takei (Star Trek) and Mark Hamill (Star Wars) guest-star. (Not yet renewed.)

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9 pm Law & Order: SVU (NBC) | Lauren Cohan (The Walking Dead) guest-stars as a sports reporter accusing her cameraman (Homeland snoop David Marciano) of raping and impregnating her, teeing up a “ripped from the headlines” story about “legitimate rape.”

9 pm Supernatural (The CW) | When Krissy Chambers (guest star Madison McLaughlin) resurfaces, Sam and Dean learn that she has been taken in by a man who’s turning orphans into vampire hunters.

9 pm Modern Family (ABC) | Pam – the lesbian mom (played by Rules of Engagement‘s Wendi McLendon-Covey) with whom Cam got into a kerfuffle earlier this season – is back to settle a landscaping impasse at the house Claire and Cam are flipping. Fred Willard also returns as Phil’s pop.

9:30 pm Suburgatory (ABC) | After some serious pressure from the Chatswin moms, George invites a post-divorce Noah (and Opus) to move in with him.

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10 pm Psych (USA Network) | In the series’ Clue-inspired 100th episode, Shawn and Gus attend a secret party at a historical Santa Barbara mansion. The host? Billy Lipps, an aging rocker the SBPD arrested years ago for a murder he doesn’t remember committing. Guest stars include Clue movie stars Martin Mull, Christopher Lloyd and Lesley Ann Warren, plus SNL alum Garrett Morris. Best part? By voting on the show’s site and via Twitter, you can help decide how the episode ends. Watch the new Spoiler Alert! below to see what Dulé Hill says about the milestone outing.

10 pm Chicago Fire (NBC) | Severide’s decision to put Mills on the fast track to Squad doesn’t sit well with some of the others, and Heather-related tension between Kelly and Casey continues to build.

10 pm The Real World: Portland (MTV) | Season 28 premiere: Seven strangers, picked to live in a house… you know the rest.

Hit the comments with your must-see picks from tonight’s lineup!