Men in Black: The Series S01 E03 The Irritable Bow-Wow Syndrome

A Charnok has to come to Earth and ransacked Jeebs' pawn shop as well as hunting reliable MIB informant, Frank the Pug. After some investigating, Jay and Kay learn the Charnok was trying to buy a Void Density Core from Jeebs, who didn't want to sell it. Frank made off with it during the fight and accidentally swallowed it. Now the MIB have to get the VDC out of him before it detonates and sucks the city into a miniature black hole.