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Critic’s corner: What’s on TV Wednesday

TLC

The Town That Caught Tourette’s?  10 p.m., TLC

Remember this case? In 2011, a bunch of teenage girls in Le Roy, N.Y., caused a stir by developing Tourette’s-like symptoms at the same time. Were the tics and twitches the result of an infection or, as Erin Brockovich has suggested, an old chemical spill? Was this a case of unconscious mimicry, where some girls saw other girls with symptoms, in person or on YouTube, and began to imitate them? Did you notice that the documentary title has a question mark in it?

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Nashville  10 p.m., ABC

Sniff, I’m gonna miss this show over the summer, even if Gunnar and Scarlett are among the most intense TV characters ever created by the God of All Things Cloying and Annoying. When “Nashville” premiered last fall, I wasn’t sure the melodrama, mixed with original country songs, would find its way. Many musical TV shows, including “Smash” and “Glee,” have disappointed. But “Nashville” has been consistently entertaining, an out-and-out soap with a bit of character depth. In the season finale, Deacon deals with the news about Maddie’s paternity. I’m thinking he’s not going to forgive Rayna very easily. Pictured: Sam Palladio as Gunnar and Clare Bowen as Scarlett.

Devoured: Man-Eating Super Snake Returns  9 p.m., Animal Planet

Guess I’ll have to stay in, then, and watch Animal Planet.

MasterChef  8 p.m., Fox

Signature dish? Something about a Kardashian?

Law & Order: SVU  9 p.m., NBC

Benson’s life is in danger. Come ON writers, just do it.

Matthew Gilbert can be reached at gilbert@globe.com. Follow him on Twitter @MatthewGilbert.
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