【The Playbirds】

Jess Mariano grew up to be The Playbirdssuspiciously buff.

Milo Ventimiglia, who currently stars as a '70s-era dad to three on This Is Us, visited Ellen DeGeneres to talk about the show. And, like Justin Bieber before him, he participated in the great tradition of showing off your muscles on daytime television.

SEE ALSO: Milo Ventimiglia couldn't finish reading 'The Fountainhead,' either

Ventimiglia recreated an especially tender moment on the show between his character and his adopted son, Randall, by giving Ellen the same treatment.

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"His adopted father literally carried him on his back and showed him that he will be there for his son for his entire life," explained Ventimiglia. "And so we did a bunch of push-ups.”

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But Ventimiglia is not the only super swoll member of the cast, as its other actors proved when all the grown-up dudes in the cast recreated the scene together behind the scenes.

Ventimiglia gave Sterling K Brown, who plays grown-up Randall, the push-up treatment as well.

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Brown returned the favor.

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...and then included his fictional brother, Justin Hartley, in the fun.

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Via Giphy

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