Heather Morris and the team tried to frame him for a fake robbery, but when the "cops" arrived Jonas smelled a rat instantly.
"Nice try, homeboy," Joe told the investigating officer. "I came to this house to get punked," he added, "and you guys did a pretty good job."
It turned out, Jonas had spotted one of the supposedly hidden cameras right off the bat.
"Punk'd" continues on Thursdays at 10 p.m. ET on MTV.
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