The Project Runway Premiere, The Hell's Kitchen Finale and More on TV Tonight

Twas' a good night for TV on July 24! Here's what's worth watching tonight on television and why:

WATCH The Sexy New Trailer for Fifty Shades of Grey 

Black Box. 8pm on ABC. Catherine has hallucinations but refuses medical treatment in the season one finale.

OK! News: Jenelle and Nathan Fight About His Drinking on Teen Mom 2

Married to Medicine. 8pm on Bravo. In the network's typical "secrets revealed" special, we'll see unseen footage and cast interviews with the fab ladies of Atlanta.

Hell's Kitchen. 8pm on Fox. The top 2 contestants must prepare five unique dishes each to impress the judges—and hopefully win the $250,000 prize!

PHOTOS: Kim Kardashian Gets All Dressed up For North's First Steps

Project Runway. 9pm on Lifetime. Julie Bowen guest judges on the season 13 premiere, where the lucky contestants must create a look that'll tease their spring collection.

Welcome to Sweden. 9pm on NBC. Aubrey Plaza plays herself as one of Bruce's celebrity clients, and Amy Poehler reprises her role, also as herself.

OK! News: Frankie Grande Finds Out About His Grandfather's Death on Big Brother

What will you be tuning into tonight? Tweet us @OKMagazine.