The Adventures of Superboy (1988)

Mr. and Mrs. Superboy (2x8)

Air date: Nov 25, 1989

Mr. Mxyzptlk returns from the fifth dimension. This time he has a giant after him who seeks revene for a practical joke. The chase wreaks havoc all across town. Superboy and Lana stop the insanity by pretending to be married and the adoptive parents of Mr. Mxyzptlk.