What To Watch: Nashville CMT Preview, Big Bang's Double Birthday And More

On TV this Thursday: CMT lets viewers sneak a peek at Nashville Season 5, The Big Bang Theory births a junior Wolowitz and a Project Runway spinoff closes out its freshman run. Here are 10 programs to keep on your radar:

Showtimes for December 15, 2016

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The Big Bang Theory

CBS

Fall finale: The birth of Howard and Bernadette's baby interferes with Amy "celebrating" her birthday with Sheldon. (Read Q&A with EP Steven Molaro.)

iHeartRadio Jingle Ball 2016

The CW

Justin Bieber, Ariana Grande, Diplo, The Chainsmokers, Fifth Harmony, Charlie Puth, Lukas Graham and DNCE perform; Z100's Elvis Duran hosts.

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The Great Indoors

CBS

Fall finale: Jack struggles to break up with a coworker after convincing HR to ditch its "no interoffice dating" policy. (Find out midseason return dates.)

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Mom

CBS

Fall finale: Adam questions Christy and Bonnie's morality when they find themselves once again partaking in illegal activities. (Get return date.)

Nashville

CMT

Sneak preview: In the first hour of the Season 5 premiere (officially debuting Jan. 5), news about Juliette rattles Nashville, while Rayna embarks on a journey of discovery. (Read preview.)

Project Runway

Lifetime

Season 15 finale (Part 1 of 2): When Tim visits the designers as they prepare for Fashion Week, he isn't particularly thrilled by any of their work; Michael Kors returns as a guest judge.

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Life in Pieces

CBS

Fall finale: Colleen goes shopping for wedding dresses with her future in-laws; Tim misinterprets Clementine's behavior; John and Matt try to build a vanity for Sophia.

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Falling Water

USA Network

In the penultimate Season 1 episode, Taka, Tess and Burton each pay a price for converging on the Boy.

Pure Genius

CBS

Fall finale: James and the Bunker Hill surgeons oversee eight simultaneous organ transplants and 16 surgeries, because sure. (Get return date; essentially cancelled.)

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Project Runway: Fashion Startup

Lifetime

Season 1 finale: International entrepreneurs attempt to impress the investors with an upgrade to a popular accessory. (Not yet renewed.)

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