Tanner Buchanan and Mary Mouser:
There have always been many interesting relationships in the Cobra Kai universe, but none have captured fans’ attention as much as Tanner Buchanan and Mary Mouser’s. Although Robby Keene and Samantha LaRusso’s on-screen interactions generated attention, viewers have been captivated by their off-screen romance.
A Serendipitous Meeting on the Set of Cobra Kai
Mary Mouser and Tanner Buchanan met while filming the first season of Cobra Kai in October 2017. Their instant bond established the groundwork for a close friendship marked by respect and common interests. This friendship developed over time, laying the groundwork for a romantic relationship that they kept secret for many years.
Keeping Love Under Wraps
Buchanan and Mouser decided to keep their relationship private despite their developing intimacy. Because they regularly showed up together at events and posted tidbits about their travels on social media, fans conjectured about their relationship. Though the pair kept quiet about their relationship, small clues like going to concerts and spending holidays together stoked interest.
The Grand Reveal: Engagement Announcement
When Cobra Kai’s final season debuted on the red carpet in February 2025, the curtain came down. Hand in hand, Buchanan and Mouser showed off their matching rings and announced their engagement. Their combined Instagram post said:
“This is such a special moment in our lives, the closing of one chapter and celebrating the continuation of another. We’re so grateful for the love and support.”
The announcement delighted fans and co-stars alike, marking a joyful milestone as the series concluded.

Navigating On-Screen Romance
Portraying a romantic relationship on-screen while maintaining a real-life friendship presented unique challenges. Buchanan once shared:
“The romantic scenes are what cause me the most anxiety. You could talk to Mary about this because she and I are such good friends.”
Their professionalism and mutual respect allowed them to deliver authentic performances, further endearing them to audiences.
Shared Interests and Adventures
Outside of the set, Buchanan and Mouser became close because they had similar interests, such as a like for Disney. They frequently told fans about their experiences at Disneyland in Paris and California. Though subdued, their social media posts provided tidbits of information on their travels, from going to Taylor Swift’s Eras Tour to throwing themed birthday parties.
Looking Ahead: A New Chapter Begins
As Cobra Kai concludes, Buchanan and Mouser embark on a new journey together. Their engagement signifies not just the culmination of a beloved series but the beginning of a lifelong partnership. Fans eagerly anticipate their future endeavors, both individually and as a couple.
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