The TV Cave Daily Watchlist: What to Watch on December 21: Robin Hood & Mayor of Kingstown

What to Watch on Sunday, December 21, 2025

The holidays are in full swing, the finales are hitting hard, and TV is absolutely not slowing down. Whether you’re sneaking in a streaming binge at 3 a.m. or settling in for a night of Christmas chaos and emotional goodbyes, today’s lineup delivers big feelings, bigger twists, and plenty of festive fluff.

Let’s break it all down.

🌙 Late-Night Streaming (Yes, We See You)

3:00 AM ET

Landman (Paramount+) Oil, money, and bad decisions collide as Tommy makes a dangerously bold offshore drilling deal. Meanwhile, tensions with Cami continue to simmer — and it’s only getting messier from here.

Mayor of Kingstown (Paramount+ – Penultimate Episode)Everything explodes as tragedy hits close to home. Mike risks it all to save his brother while the prison reaches a boiling point. This one is heavy, intense, and absolutely not pulling punches ahead of the finale.

🎄 Prime Time: Christmas Takes Over

7:00 PM ET

Christmas With the Knightlys (UPtv – Movie Premiere)Fake dating? Check. Billionaire complications? Absolutely. A teacher agrees to pose as a wealthy heir’s girlfriend in exchange for funding a community center, and feelings (of course) refuse to stay fake.

8:00 PM ET

The Christmas Baby (Hallmark Channel – Movie Premiere) An abandoned baby brings two women together at Christmas, forcing them to navigate new love, big careers, and the possibility of building a family. Expect warmth, tears, and cozy vibes.

Happiness (PBS – Two Episodes) Power shifts rock the ensemble as Charlie steps into a leadership role — much to Adrian’s dismay. Meanwhile, jealousy threatens to derail everything. Workplace drama has never been so polite… or so tense.

Mario Lopez Presents: Chasing Christmas (Great American Family – Movie Premiere) A race through Buffalo to find the season’s hottest toy turns into a journey about love, family, and priorities. Holiday hijinks plus heartfelt moments make this a solid festive watch.

Universal Basic Guys (FOX – Special Time) A jetpack purchase. An omakase dream at a soup kitchen. If you’re looking for absurd humor with heart, FOX’s animated outing brings the laughs in unexpected ways.

8:30 PM ET

2025 FOX Winter Preview (FOX) Jenny McCarthy gives viewers a sneak peek at what’s coming next, from new dramas to returning competition hits. If you like planning your future TV obsessions, this is a must-watch.

Rob Reiner: Scenes From a Life (CBS – One Hour Special) A moving tribute celebrating the life and legacy of the iconic actor and director, featuring heartfelt reflections from friends, collaborators, and Hollywood legends.

⚔️ High-Stakes Drama Hour

9:00 PM ET

Robin Hood (MGM+ – Penultimate Episode) Revenge ignites everything. Rob’s actions send shockwaves through the kingdom as Marian is forced to flee and Prince John tightens his grip. The road to the finale is paved with fire.

9:30 PM ET

The Road (CBS – Season Finale) The final three take the stage for one last shot opening for Keith Urban. Dreams are realized, hearts are broken, and a winner is crowned in this emotional season closer.

🎶 Late Night Finales

10:00 PM ET

Words + Music (MGM+ – Season Finale) Alanis Morissette closes out the season with a powerful performance blending music, visuals, and raw reflection. It’s intimate, emotional, and beautifully artistic.

10:30 PM ET

I Love LA (HBO – Season Finale) The girls head back to New York for an exclusive fashion event, but not all looks are serving. Questionable styling, lingering drama, and season-ending chaos bring this one home.

📌 TV Cave Pick of the Day

If you’re choosing just one: Mayor of Kingstown delivers gut-punch drama, while Robin Hood fans won’t want to miss the explosive lead-up to the finale.

Stay tuned to The TV Cave for recaps, reviews, and everything you’ll be screaming about after the credits roll. 🍿