Marriage Toxin backdrop
Animation•Action & Adventure•Comedy

The Best Episodes of Marriage Toxin Season 1

Every episode of Marriage Toxin Season 1 ranked from best to worst. Discover the Best Episodes of Marriage Toxin Season 1!

Binge this in 4h 0m•Peaking at 8.0/10

For centuries, the deadly arts have been perfected by Masters, and Five Great Families hold the greatest power and influence. Hikaru Gero, an heir to the Gero family, lives in the underworld as an elite

Airs on
Fuji TVTokai Television BroadcastingFukui TVHokkaido Cultural Broadcasting
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons1

All1

Episode Rankings

  1. #1 Fan Favorite
    Marriage Toxin Season 1 Episode 1 - The Poison Master's Search for a Bride
    7.0/10(341 votes)

    #1 - The Poison Master's Search for a Bride

    S1:E1

    An assassin must marry to appease his clan and save his sister. Small problem: He doesn't know how to date.

    Director:Motonobu Hori
    Writer:Kimiko Ueno

    Be the first to start the conversation for this episode

  2. Marriage Toxin Season 1 Episode 2 - What Is "Charm," Anyway?
    7.3/10(276 votes)

    #2 - What Is "Charm," Anyway?

    S1:E2

    Kinosaki takes Gero to practice dating in a floating art museum that becomes the scene of a heist.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  3. Marriage Toxin Season 1 Episode 3 - My First
    8.0/10(239 votes)

    #3 - My First

    S1:E3

    Gero fights a Water Master to rescue Himekawa, but his real challenge is taking her on a date afterward.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  4. Marriage Toxin Season 1 Episode 4 - The Sound Master
    7.0/10(201 votes)

    #4 - The Sound Master

    S1:E4

    Gero goes undercover as a student to guard a corporate heiress, but he isn't the only Master on campus.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  5. Marriage Toxin Season 1 Episode 5 - Lord Chladni
    7.3/10(176 votes)

    #5 - Lord Chladni

    S1:E5

    A test of courage seems like a romantic opportunity, but it turns out to be a deadly trap.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  6. Marriage Toxin Season 1 Episode 6 - Together With Me
    7.0/10(202 votes)

    #6 - Together With Me

    S1:E6

    Panicked students try to sacrifice Ureshino, and stopping Naruko is the only way to make them see reason.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

    7. Trending NowTRENDING NOW

    The 20 BEST Episodes of Marriage Toxin

    READ
  7. Marriage Toxin Season 1 Episode 7 - The Bug Master's Wedding
    7.5/10(150 votes)

    #7 - The Bug Master's Wedding

    S1:E7

    Gero goes to see his friend get married, only to run into some particularly unwelcome wedding crashers.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  8. Marriage Toxin Season 1 Episode 8 - The Hitman Hunter
    8.0/10(109 votes)

    #8 - The Hitman Hunter

    S1:E8

    Gero takes a job to protect a fellow Master from a man who can go toe-to-toe with the expert assassins.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  9. Marriage Toxin Season 1 Episode 9 - The Animal Kingdom
    7.0/10(87 votes)

    #9 - The Animal Kingdom

    S1:E9

    To save Arashiyama, Gero and friends storm into the Beast Clan's home ground.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  10. Marriage Toxin Season 1 Episode 10 - Good-for-Nothing
    0.0/10(0 votes)

    #10 - Good-for-Nothing

    S1:E10

    Gero and Arashiyama start to bond, but a run-in with their biggest enemy ruins the mood.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

Season 1 Ratings Summary

"The Poison Master's Search for a Bride" is the best rated episode of "Marriage Toxin" season 1. It scored 7/10 based on 341 votes. Directed by Motonobu Hori and written by Kimiko Ueno, it aired on 4/7/2026. This episode is rated 0.3 points higher than the second-best, "What Is "Charm," Anyway?".