If you're a big Full House fan, your must-do thing is to visit the famous house in San Francisco.

These fans did just that, but they screwed up in a big way.

John Stamos, the actor who played Uncle Jesse in Full House from 1987 to 1995 on ABC, happened to be visiting the home at the same time, these fans were.

He was right next to these people outside it and they were clueless.

Boy, these youngsters have 0.0 idea what they're missing. #Fullhousehouse. #TURNAROUND.

A photo posted by John Stamos (@johnstamos) onMar 6, 2015 at 4:23pm PST

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