John Travolta's son Ben is turning into an action star just like his famous dad.
The "Grease" star, 68, took to Instagram earlier this week to share a video of Ben, 11, showing off his impressive parkour moves.
"Ben just achieved a level 3 ninja and I'm so proud," Travolta wrote in the caption.
In the clip, set to "Fantasy" by Earth, Wind & Fire, Ben is seen defying gravity in a variety of ways: climbing the underside of stairs, swinging from monkey bars spaced out more than usual and moving a metal bar up and down a series of slots -- all activities that utilize incredible upper body strength.
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Travolta wasn't the only one cheering Ben on. In the comments, his sister Ella, 22, reacted to the video with party popper and clapping emojis.
Some of the "Pulp Fiction" star's famous friends also expressed their astonishment at Ben's routine, including "Sex and the City" actress Kristin Davis, supermodel Elle Macpherson and "Basic Instinct" actress Sharon Stone.
Travolta has showcased Ben's skills previously, calling his little guy "My Spider-Man Ben" in a post in April.