Jay gets Elle to make him a set of quick clones so he can catch up on some much needed sleep. But while Jay snoozes, Alpha resurfaces and uses one of the quick clones to capture Zed.
Alpha is back and his alien attachments are falling apart. At first, he forces Jeebs to locate new alien body parts for him. But when Alpha discovers Troy the symbiote is at MIB, his plans change.
The Queen Bug puts out a bounty on the MIB agent that took out dearly departed Edgar. Now Elle is running from some nasty bugs looking to collect the reward.
A sonic powered alien named Aldoosi escapes from Eileen and her new partner, Eidi. To track this fugitive down, Kay works with Eileen and Jay works with Eidi.
Parasites spread by alien seeds take over MIB and threaten the world. As the remaining agents try to stop it, Jay can't keep his mouth shut since he's accidentally been given a truth serum.
Preparing to conquer Earth, the Fmeks break into MIB to get their tiny hands on a growth forumla. They mistake one of the worms to be able to make the formula and capture him.
