17 TV Season Finales Not to Miss in May

In addition to the premiere of several new shows, May will bring a slew of notable TV show finales to the screen. Over the next few weeks, a number of both new series and veteran favorites will be wrapping up, either for the season or for good. Here are 17 TV season finales you won’t want to miss out on this month.

1. Billions, May 7

Damian Lewis and Paul Giamatti have a heated discussion in a scene from Billions
Billions | Showtime

Showtime’s Billions will end its 12-episode sophomore season in May. The finale episode, entitled “Ball in Hand,” will follow Axe (Damian Lewis) as he receives unexpected news, while Chuck (Paul Giamatti) finalizes a strategy for his long game.

The episode will air in its regular Sunday night time slot — and fans don’t have to worry about its chance at renewal. The show has already been greenlit for Season 3.

2. Kevin Can Wait, May 8

Kevin James sits at a table with a beer next to woman in a scene from Kevin Can Wait
Kevin Can Wait | CBS

Kevin James will reunite with former King of Queens costar Leah Remini in the freshman season finale of Kevin Can Wait. Remini will guest star as Kevin’s old police force rival, Vanessa Cellucci, who pulls him out of retirement for one last undercover assignment that quickly goes off the rails.

The finale will air on CBS at 8 p.m. Eastern.

3. Criminal Minds, May 10

The cast of Criminal Minds stands in a line
Criminal Minds | CBS

The long-running procedural is wrapping up Season 12. In the season finale, Shemar Moore will reprise his role as SSA Derek Morgan, who returns to the BAU with a new lead in the case against Mr. Scratch.

The last installment of the season will air at 9 p.m. Eastern on CBS and CBS All Access. The drama has already been renewed for Season 13.

4. Black-ish, May 10

Anthony Anderson, Tracee Ellis Ross, and four kids wave in a scene from Black-ish
Black-ish | ABC

Season 3 of ABC’s popular family comedy is concluding in May. The finale, titled “Sprinkles,” follows as Dre’s (Anthony Anderson) plans for a baby shower are put on hold after Bow (Tracee Ellis Ross) pays a visit to the doctor.

The episode will air in its regular Wednesday night time slot at 9:30 p.m. Eastern.

5. The Big Bang Theory, May 11

Jim Parsons' Sheldon stands in front of a whiteboard in The Big Bang Theory
The Big Bang Theory | CBS

The Season 10 finale of CBS’ veteran comedy could bring some trouble for Sheldon and Amy. Titled “The Long Distance Dissonance,” the episode will see the return of Sheldon’s former admirer, Dr. Ramona Nowitzki (Riki Lindhome). When she suddenly resurfaces while Amy is away at Princeton, the rest of the gang becomes concerned.

The episode will air at 8 p.m. Eastern and though it will mark the end of Season 10, fans have plenty more to look forward to. The Big Bang Theory has already been renewed for Season 11 and 12.

6. Riverdale, May 11

The cast of Riverdale sit around a booth
Riverdale | The CW

Fans will finally get some answers in Riverdale’s freshman season finale,”Chapter Thirteen: The Sweet Hereafter.” After weeks of mysterious twists, the truth about the Blossom’s family business is finally revealed, leaving Cheryl (Madelaine Petsch) to take matters into her own hands. Meanwhile, Archie (KJ Apa) and Veronica (Camila Mendes) will grow closer, while Betty (Lili Reinhart) confronts her mother.

Riverdale airs at 9 p.m. Eastern on Thursday nights on the CW. The Archie Comics-inspired drama has already been renewed for Season 2.

7. Hawaii Five-O, May 12

The cast of Hawaii Five-O walks on a beach with surfboards and the ocean in the background
Hawaii Five-O | CBS

In the seventh season finale of CBS’ police procedural, the five-o goes on a mission to rescue a group of young girls trapped in a sex trafficking ring. The case has a deep impact on Kong (Grace Park), leading her to make a life-changing decision.

The show airs at 9 p.m. Eastern on Friday nights. Season 8 has already been greenlit.

8. NCIS, May 16

Mark Harmon, Henry Duane and Wilmer Valderrama stand next to each other in an office

Season 14 of this police drama will end with an action-packed finale, titled “Rendezvous.” The episode will follow Gibbs (Mark Harmon), McGee (Sean Murray), and Torres (Wilmer Valderrama) as they travel to a remote part of Paraguay in order to locate a missing Navy seal.

The episode airs at 8 p.m. Eastern on CBS. The show is set to return for Season 15 this fall.

9. Designated Survivor, May 17

Kiefer Sutherland stands in front of an American flag in Designated Survivor
Designated Survivor | ABC

ABC’s political drama will wrap up its freshman season this month. The Season 1 finale will follow President Kirkman (Kiefer Sutherland) and Agent Watts (Maggie Q) as they continue their investigation into who perpetrated the devastating attack on the White House.

Designated Survivor airs at 10 p.m. Eastern on Wednesday nights. ABC has already ordered a second season.

10. Grey’s Anatomy, May 18

Ellen Pompeo speaks to another doctor in a hospital in Grey's Anatomy
Grey’s Anatomy | ABC

This popular medical drama will close out Season 13 with a bang … or should we say, with flames? Appropriately titled “Ring of Fire,” the season finale will see a fiery event go down at Grey Sloan Memorial Hospital. As Shonda Rhimes hinted to Entertainment Weekly, “ … I like to say that the episode is on fire. That’s the only way we’re going to describe it. It’s a pretty exciting episode that’s very on fire.”

The show, which airs at 8 p.m. Eastern on Thursday nights, has already been renewed for Season 14.

11. Supernatural, May 18

Jared Paladecki and Jensen Ackles stand next to each other in Supernatural
Supernatural | The CW

In the Season 12 finale of Supernatural, Sam (Jared Padalecki), Dean (Jensen Ackles), and Castiel (Misha Collins) will team together to battle against Lucifer (Mark Pellegrino) for control of his unborn child.

The fantasy drama airs at 9 p.m. Eastern on Thursday nights. The CW has renewed the show for Season 13.

12. Scandal, May 18

Kerry Washington's Olivia Pope stands next to a desk in a red coat in a scene from Scandal
Scandal | ABC

ABC’s political drama will end its sixth season with an extended two-hour season finale. Tony Goldwyn, who plays President Fitz on the show, directs the episode, as confirmed via Twitter. Though details on the episode are still under wraps, the installment will reportedly be titled, “Transfer of Power.”

The finale will air at 9 p.m. Eastern on ABC. Scandal has already been renewed for Season 7.

13. 12 Monkeys, May 21

 Aaron Stanford and Amanda Schull pose together in a poster from 12 Monkeys
12 Monkeys | SyFy

Season 3 of SyFy’s 12 Monkeys is running as a binge-friendly event, presented with limited commercials. The entire season will be aired over the course of three consecutive nights, with four episodes airing on May 19 and three episodes airing on both May 20 and 21.

Each batch of episodes will air from 8 to 11 p.m. Eastern on SyFy. The show will return for its fourth and final season in 2018.

14. Supergirl, May 22

Melissa Benoist's Kara Danvers dons her Supergirl gear in a scene from Supergirl Season 2
Melissa Benoist in Supergirl | CBS

Season 2 of The CW’s Supergirl adaptation will conclude this May. The show’s sophomore season finale will reportedly bring back Tyler Hoechlin as Kara’s famous, super-powered cousin, Superman.

The show airs at 8 p.m. Eastern on Mondays and has already been greenlit for Season 3.

15. Dancing with the Stars, May 23

Simone Biles posing in a red dancing outfit for the show
Simone Biles on Dancing with the Stars | ABC

Who will take home the mirror ball trophy on Season 24 of ABC’s reality dancing competition? Find out during the two-hour season finale, which will feature the three remaining celebrity finalists delivering one last dance before the winner is officially announced.

Dancing with the Stars airs at 8 p.m. Eastern on ABC.

16. The Flash, May 23

Barry Allen dons his Flash suit in a scene from The CW's The Flash
The Flash | The CW

Season 3 of The Flash comes to a close this month. In the finale, viewers will finally learn the truth about Savitar and his real identity, as well as whether the villain succeeds in killing Barry Allen’s (Grant Gustin) love, Iris (Candice Patton).

The CW series, which airs at 8 p.m. Eastern on Tuesdays, has already been greenlit for a fourth season.

17. Arrow, May 24

Stephen Amell's Oliver Queen in his Arrow suit on The CW's Arrow
Arrow | The CW

Arrow’s fifth season finale will bring back more than one familiar face. Manu Bennett (aka Slade Wilson/Deathstroke) will return for the impending finale, which is titled “Lian Yu.” The title refers to the hellish island where Oliver Queen began his journey.

Katie Cassidy (Black Siren) will also return to Arrow for the final two episodes of Season 5, which air at 8 p.m. on The CW on Wednesday nights. Arrow will be back for Season 6 this fall.