For 15 seasons, Supernatural fans watched Sam and Dean Winchester battle monsters, demons, and the occasional angel, all while navigating a bond that felt as real as any sibling relationship on TV. The chemistry between Jared Padalecki and Jensen Ackles was the show's beating heart, and when the series ended in 2020, fans wondered if they'd ever see the duo share the screen again. The answer came sooner than expected, but not in the way anyone anticipated.

Enter The Boys, Prime Video's darkly satirical take on the superhero genre, created by Supernatural mastermind Eric Kripke. The show flips the script on caped crusaders, presenting them as corrupt, hedonistic, and utterly devoid of heroism. It was only a matter of time before Kripke brought his old pals into the fold, and he did so with a twist that turned the Winchester brothers' dynamic on its head.

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A Reunion of Opposites

Jensen Ackles joined The Boys in Season 3 as Soldier Boy, a jingoistic, toxic-masculinity-embodying Supe who also happens to be the biological father of the show's main villain, Homelander. It's a far cry from Dean Winchester's protective, if gruff, older brother persona. Then, in the final season, Jared Padalecki finally made his debut as Mister Marathon, a speedster with a hidden agenda. The two characters meet in the episode "One-Shots," but instead of a heartfelt hug, their encounter is a violent confrontation that leaves Mister Marathon gravely wounded by Soldier Boy's hand.

Kripke had long teased wanting to reunite his former leads, even joking about "catching them all" like Pokémon. In an interview with Variety, he admitted, "He's been busy the last few years, so schedules haven't worked out... And I feel like I have to complete my game of 'Supernatural' Pokémon and I have my one big one — very big one — left to catch." That "big one" was Padalecki, and the payoff was a scene that subverted every expectation of a happy reunion.

More Than Just Sam and Dean

The Supernatural connections on The Boys run deeper than just the two leads. Jim Beaver, who played Bobby Singer on the original series, appeared as a politician named Robert "Dakota Bob" Singer. Jeffrey Dean Morgan, who portrayed John Winchester in flashbacks, showed up as Joe Kessler, a figure from Billy Butcher's past. And in a particularly shocking moment, Misha Collins—beloved as the angel Castiel—made a brief appearance as Malchemical, a gas-spewing Supe who meets a grisly end at Soldier Boy's hands. It's a dark mirror of the deep bond Dean and Castiel once shared.

These cameos aren't just fan service; they're a testament to Kripke's affection for his original cast and his willingness to twist their legacies into something new and provocative. For fans of Supernatural, seeing these familiar faces in such morally bankrupt roles is both jarring and thrilling.

With The Boys now concluded, the franchise is moving forward with a prequel series, Vought Rising, which will star Jensen Ackles and be produced by Eric Kripke. While Padalecki is unlikely to appear due to the timeline, the door is open for other Supernatural alums to pop up. If the prequel finds success, we could see even more Winchester-verse veterans crossing over into the twisted world of Vought.

For those who've followed both shows, this reunion is a reminder that even the most beloved heroes can be reimagined in the most unexpected ways. And while Sam and Dean's story may have ended, their actors' journeys are far from over.