What to Watch Tuesday: Suits Flashes Back, NCIS Sits 'Shiva' (Again), the Liars Giddy-Up and More

SuitsOn TV this Tuesday: A couple of Suits consider the past, Twisted straightens out its story so far, Perception fans a (former) flame and Heroes find a new cosplayground. Here are 10 programs for you to keep on your radar.

8 pm NCIS (CBS) | Repeat to Revisit: Aht lo leh-vahd, Ziva… but we will be once you’re gone. (Sniff!) Relive one of last season’s most moving episodes with this encore of “Shiva.”

8 pm So You Think You Can Dance (Fox) | Jenna Elfman (Dharma & Greg)  guest-judges the Top 8.

8 pm Pretty Little Liars (ABC Family) | A Western-themed school dance turns into a battleground; Ezra hopes Aria can help him with his troubles.

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9 pm Rizzoli & Isles (TNT) | Jane and Maura take on the challenging task of presenting the case of serial killer Charles Hoyt at a law-enforcement symposium. But after making a terrible discovery, they’re soon on the trail of a new serial killer. (Note: Production on the series has been paused in the wake of cast member Lee Thompson Young’s death.)

9 pm Twisted (ABC) | If you’re behind on Regina’s murder investigation, this recap episode – called “Socio Studies 101” – will catch you up before next week’s summer finale.

9 pm Who Do You Think You Are? (TLC) | While exploring his father’s side of the family, NCIS: Los Angeles star Chris O’Donnell finds ancestors involved in major historical events.

9 pm Covert Affairs (USA Network) | Henry offers Annie the opportunity of a lifetime.

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10 pm Heroes of Cosplay (Syfy) | Time-slot premiere: The contestants compete at the Emerald City convention in Seattle.

10 pm Perception (TNT) | One of Pierce’s past flings shows up, and Donnie tries to help a war hero with a neurological disorder.

10 pm Suits (USA Network) | In an episode rife with new flashbacks, Cameron’s shady nature reminds Harvey why he left the D.A.’s office, while Mike reminisces about what cost him his chance at a degree.

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