What to Watch Wednesday: Chicago Fire and 5 Other Finales, MasterChef Gets Cooking and More

Chicago FireOn TV this final night of May Sweeps: Criminal Minds unmasks The Replicator; The Middle, Modern Family, Chicago Fire, Nashville and SVU sign off; and Masterchef turns up the heat once more. Here are 8 programs to keep on your radar.

8 pm MasterChef (Fox) | Season 4 premiere: The best home cooks, culled from a nationwide search, prepare their signature dishes for judges Gordon Ramsay, Joe Bastianich and Graham Eliot in hopes of earning a white apron and moving to the next round. (Take a peek at a tasty preview.)

8 pm The Middle (ABC) | Season finale: Axl dodges Frankie’s questions about the graduation party she’s planning for him, Sue tries for her driver’s license again and Brick’s vice principal (played by Happy Days‘ Marion Ross) reminds him that, as class historian, he’s responsible for a slideshow of memories from the past four years. (Renewed.)

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9 pm Criminal Minds (CBS) | Double-episode season finale: First, Hotch discovers that his estranged brother is involved in a string of ecstasy ODs in Manhattan. Then, The Replicator targets a BAU member as his next victim. Luke Skywalker aka Mark Hamill guest-stars, while Bellamy Young (Scandal) and Eric Johnson (Rookie Blue) are back as Hotch’s girlfriend and sibling, respectively. (Get scoop.) (Yep, renewed.)

9 pm Law & Order: SVU (NBC) | Season finale: Lauren Ambrose (Six Feet Under) and Pablo Schreiber (The Wire) guest-star in an ep in which a Central Park flasher turns out to be someone much bigger, badder and far more cunning than the SVU squad and ADA Barba expect. By the end, Det. Benson is in mortal danger – maybe that’s why star Danny Pino tells TVLine the hour is “probably one of our darkest. And by the end of it… I mean, I really don’t know how we’re going to get out of it.” (Yep, renewed.)

Modern Family9 pm Modern Family (ABC) | Season finale: When Phil’s mom dies, the entire family travels to Florida, where Gloria deals with an outstanding arrest warrant and Jay runs into a pivotal person from his past. Fred Willard reprises his role as Phil’s pop, Frank. (Renewed.)

9:30 pm How to Live With Your Parents (for the Rest of Your Life) (ABC) | When not butting heads with Max (as he stresses over opening his second comedy club), Polly’s helping Julian figure out how he feels about his new girlfriend.

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10 pm Chicago Fire (NBC) | Season finale: The squad is called to defuse an escalating situation at a jail, Hermann’s wife goes into labor and Mills and Dawson face decisions in their personal lives. (Yep, renewed.)

10 pm Nashville (ABC) | Season finale: What’s important: Brad Paisley guest-stars as himself and performs with Rayna at the CMAs, and Peggy returns with a secret of her own. What’s gut-wrenchingly crucial: This. From all indications, tonight’s going to be huge, y’all. (And… renewed.)

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