The essential episodes of Kekkai Sensen

Watch these 15 in order and you've got Kekkai Sensen — each pick states its reason.

1. 01

   S01E01 · Pilot · April 5, 2015 · 24m

   Secret Society of the Magic-Sealed City7.5

   Leonardo Watch, an ordinary aspiring reporter, moves to Hellsalem's Lot, a city created by the intersection of worlds where New York City once stood, and through a series of lucky coincidences, is recruited into the secret society named "Libra."

2. 02

   S01E02 · Top rated · April 12, 2015 · 24m

   After the Phantom Ghost Wagon6.5

   While Zapp makes Leo's daytime job delivering pizzas a living hell, they spot a dry cleaning van that is more than it appears to be. When Leo is kidnapped, the rest of the Libra team must work together to rescue him from his captors.

3. 03

   S01E03 · Top rated · April 19, 2015 · 24m

   A Game Between Two Worlds6.0

   When the president is attacked by a man under the influence of a powerful synthetic drug called Angel Scale, Klaus and K.K. travel to the alterworld to challenge a Beyondian big wheel to a game of Prosfair in order to uncover the source of the drug.

4. 04

   S01E04 · Top rated · April 26, 2015 · 24m

   Blood Line Fever6.0

   Leo spots a person with a crimson wing-like aura, whom Klaus later determines to be one of the vampiric Blood Breeds. Soon after, the vampire expert "Lucky" Abrams arrives in town to use Leo's vision to learn more about the Blood Breed threat.

5. 05

   S01E05 · Top rated · May 3, 2015 · 24m

   The Tremorous Blood Hammer6.0

   Aligura, the Queen of Monomania, is on the hunt to find her creation, Brody & Hummer, and her monster truck is tearing up anything that gets in her way! Meanwhile, Femt and the King of Despair make some secret plans of their own.

6. 06

   S01E06 · Top rated · May 10, 2015 · 24m

   Don't Forget to Don't Forget Me6.0

   While out buying lunch for Zapp and himself, Leo befriends a mushroom-like Beyondian named Nej, who has a craving for hamburgers, but is unable to buy them from the segregated 42nd Street quarter where they are sold.

7. 07

   S01E07 · Top rated · May 17, 2015 · 24m

   A No-Holds-Barred Eden6.0

   Chasing down a rescue request from Zapp, Klaus and Leo find themselves in an underground cage-fighting arena, with Klaus winding up in the ring. Black and Leo hit it off over lunch at the diner, and learn that they have much in common.

8. 08

   S01E08 · Top rated · May 24, 2015 · 24m

   Z's Longest Day (Part 1)6.0

   As Zapp's profligate lifestyle starts catching up with him, word comes in that a Blood Breed attack is coming to Hellsalem's Lot, but that someone outside of Libra is also involved. Black speaks to White about their relationship with Leo.

9. 09

   S01E09 · Top rated · May 31, 2015 · 24m

   Z's Longest Day (Part 2)6.0

   While a crowd looks on, an airplane attempting to fly into Hellsalem's Lot carries Jugei's junior pupil--and the top half of the Blood Breed Libra was fighting! The King of Despair continues setting his plan in motion. The Libra team gains a new member.

10. 10

    S01E10 · Top rated · June 7, 2015 · 24m

    Run! Lunch!! Run!!! / to the end.6.0

    Zapp, Leo, and Zed embark upon a quest to find an agreeable restaurant at which to have lunch. Klaus, Starphase, and Abrams meet with the League of High Order Spirituals to confer about their concerns pertaining to the barrier surrounding the city.

11. 11

    S01E11 · Top rated · June 21, 2015 · 24m

    Paint it Black6.0

    Growing up on their parents' ranch, White struggles with being the only member of her family without the gift of psychic abilities, while Black is reluctant to stick up for himself and develop his own powers to their fullest.

12. 12

    S01E12 · Top rated · October 4, 2015 · 46m

    Hello, World!6.5

    The members of Libra gather to defend Leo as he rushes to reach the King of Despair in order to confront him, not only for Black and White's sake, but to save the city as well.

13. 13

    S02E01 · Season 2 peak · October 8, 2017 · 24m

    Lights, Camera, Action!6.0

    Leo's day off turns hectic when he is tasked to escort the live head of the U.S. Presidential Envoy while avoiding waves of thugs after him.

14. 14

    S02E02 · Top rated · October 15, 2017 · 24m

    A Phantom Hospital Ward Rises5.0

    Leo takes a seriously injured Zapp to a mysterious hospital that appeared out of thin air. Klaus and Stephen then tell Leo a story of what happened there during the cataclysm that created Hellsalem's Lot three years ago.

15. 15

    S02E12 · Series finale · December 24, 2017 · 24m

    Spectral Eyes, Phantom Vision, Part 25.0

    With his sister being held hostage, and no backup from Libra, Leo has no choice but to follow Dr. Gamimozu’s orders. Leo uses his intelligence and perseverance to distract Dr. Gamimozu until Libra arrives to save the day.