Jack Black delivers the viral "chicken jockey" line in “A Minecraft Movie," but he doesn't sign off on the chaotic fan behavior surrounding it in theaters and on social media. The comedian and "School of Rock" star surprised moviegoers at a showing of "Minecraft" over the weekend and encouraged them to be on their best behavior,

Jack Black has waded into the "chicken jockey" discourse. At a screening of A Minecraft Movie over the weekend, the actor surprised fans by showing up in the theater and issuing a tongue-in-cheek warning against a viral trend that involves shouting at the screen and throwing popcorn in response to an Easter egg in the film.

The actor turned up at AMC Century City 15 over the April 11-13 weekend after days of headlines about rowdy kids and teens hurling concessions into the audience during a key scene involving Black.