Steve Ressel

Two aliens want to use Zim as the perfect human specimen. / Dib tries to disprove the mystery of "Chickenfoot."

Due to an Irken mishap, ZIM receives a cool stealth robot with which he will ruin Dib once and for all. But ZIM doesn't quite understand that just because the robot is invisible doesn't mean he is. / When an outbreak of lice hits the Skool, an intense woman known as the Delouser arrives to rid the children of the infestation. Dib naturally suspects the woman as having ulterior motives.

Zim receives an invisible robot with which he hopes to ruin Dib. / The Skool is plagued with an outbreak of head lice.

ZIM has done such an excellent job portraying an earthinoid that two other aliens insist on adding him to their collection of creatures as a perfect representation of a human being. /Mysterious Mysteries airs a segment on Chickenfoot, a creature that is neither man nor chicken. Dib is furious that the good name of paranormal science is being sullied by what is obviously just a guy in a Mr. Chicklylicky restaurant costume and sets out to prove Chickenfoot a fraud.