The TV Cave’s Daily TV Guide: What to Watch on May 18

Monday night television is coming in hot with season finales, mystery premieres, reality TV meltdowns, and enough competition shows to make your remote work overtime. From Brooke Shields diving into murder mysteries to FBI raising the stakes with a possible bio-weapon outbreak, tonight’s lineup is packed with buzzy TV moments viewers will definitely be talking about tomorrow morning.

Whether you’re into prestige mysteries, Bravo drama, cooking battles, or historical deep dives, there’s something worth parking yourself on the couch for tonight. Here’s your complete TV guide for Monday, May 18, 2026.

Monday, May 18, 2026 TV Schedule

Time (ET)	Show	Network	What’s Happening Tonight
3:00 AM	You're Killing Me	Acorn TV	Series premiere: Brooke Shields stars as a bestselling novelist investigating the murder of a close friend alongside an aspiring podcaster in a cozy New England mystery.
8:00 PM	The 1% Club	FOX	Wrestlers, competitive brothers, and a singer-songwriter battle it out for a shot at $100,000.
8:00 PM	Antiques Roadshow	PBS	Season 30 finale featuring a JFK Santa Claus letter, rare artwork, and a vintage violin appraisal.
8:00 PM	Below Deck Down Under	Bravo	A secret hookup explodes into crew chaos and one yachtie faces serious consequences.
8:00 PM	FBI	CBS	Season 8 finale: The team races to stop a stolen bio-weapon while OA’s future hangs in the balance.
8:00 PM	Sullivan’s Crossing	The CW	Maggie investigates Tracy’s illness while long-buried truths finally come to light.
9:00 PM	BBQ Brawl	Food Network	Bobby Flay, Maneet Chauhan, and Brooke Williamson lead food hall challenges packed with flavor and fierce competition.
9:00 PM	CIA	CBS	Season 1 finale: The mole is finally exposed as the team races to stop a dangerous cover-up.
9:00 PM	History’s Greatest Mysteries	History	Season 7 finale explores the mystery of missing Nazi gold linked to General Rommel.
9:00 PM	Hollywood Demons	Investigation Discovery	Former 16 and Pregnant cast members reveal shocking behind-the-scenes struggles and scandals.
9:00 PM	The Quiz With Balls	FOX	Lifeguards face off against beauty queens in another hilariously chaotic trivia showdown.
9:30 PM	Top Chef	Bravo	The Try Guys guest judge a fan-interactive Quickfire challenge controlled by live audience polls.
10:00 PM	History’s Greatest Warriors	History	Season 1 finale dives into the brutal training and warfare tactics of the Aztec empire.

What Everyone Will Be Talking About Tonight

You’re Killing Me Brings Cozy Mystery Energy to Acorn TV

Brooke Shields trading glamour for amateur sleuthing? Immediately yes.

Acorn TV’s newest mystery series leans hard into small-town secrets, suspicious locals, and murder wrapped in picturesque

New England charm. Pairing a bestselling novelist with a podcasting aspiring writer feels tailor-made for viewers who devour murder mysteries and true crime in equal measure.

If you’re looking for a fresh streaming binge with sharp wit and layered intrigue, this premiere could become your next obsession. Check out our review here.

FBI and CIA Deliver a Massive CBS Finale Event

CBS is basically turning Monday night into one giant stress headache — in the best possible way.

FBI kicks things off with a dangerous stolen pathogen threatening a catastrophic outbreak, while CIA follows with its season finale and the long-awaited mole reveal. Between betrayals, ticking clocks, and career-changing decisions, expect both finales to leave fans yelling at their televisions. And yes, OA’s uncertain future on FBI is absolutely going to send social media into detective mode.

Bravo Monday Is Serving Maximum Mess

A forbidden kiss rocks Below Deck Down Under, and based on the fallout, someone’s career on the yacht may be sinking fast.

Then over on Top Chef, the chaos gets culinary as the Try Guys join Kristen Kish for a fan-controlled Quickfire challenge where viewers essentially help steer the competition in real time. Interactive cooking show pressure? What could possibly go wrong? Bravo understood the assignment tonight.

FOX Continues Its Mission to Make Game Shows Completely Unhinged

First, The 1% Club throws wrestlers and hyper-competitive siblings into a battle of brains. Then The Quiz With Balls arrives with perhaps the most wonderfully absurd matchup imaginable: lifeguards versus beauty queens.

Somewhere, television executives are very proud of themselves.

True Crime and History Fans Are Eating Well Tonight

Hollywood Demons digs into the aftermath of 16 and Pregnant fame with stories involving addiction, homelessness, FBI raids, and deeply troubling allegations that sound far darker than viewers may expect.

Meanwhile, History Channel closes out two series with investigations into missing Nazi treasure and the brutal warrior culture of the Aztecs. If your ideal Monday night includes conspiracy theories and historical warfare, television has you covered.

Final Channel Surfing Recommendation

If you only have time for a few must-watch moments tonight, prioritize the premiere of You’re Killing Me, the back-to-back FBI and CIA finales, and Bravo’s double dose of reality TV disaster. It’s one of those rare Mondays where nearly every network is throwing something major at viewers.