"He was livid that they would prank him," says a source

Video of John Stamos‘s alleged tantrum at the Netflix offices in Los Angeles was leaked Friday morning.

In the video (warning: language NSFW!) obtained by PEOPLE and uploaded onto YouTube, Stamos is seen yelling at a receptionist.

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According to a source, the incident occurred after Stamos, 52, was told an upcoming documentary series based on his life was an April Fool’s joke.

At midnight on Thursday, Netflix released a trailer announcing plans for a new show with the actor set to premiere at the end of the month.

In the leaked video, the Fuller House star is seen throwing a glass and hurling profanities.

“Tell him John f—ing Stamos is here, okay?” the actor yells in the leaked footage. “You want to make fun of me? My brand? My f—ing brand? My 30 years in showbiz? You want to make fun of me? You’re gonna take the Stamos brand like this a—— did and use it in some stupid gag? That’s bulls—.”