"Superboy Goes Ape!": A Red Kryptonite pearl turns Superboy into a giant-sized monkey and Beppo the Super-Monkey into a giant-sized Superboy.
Superboy #142 is an issue of the series Superboy (Volume 1) with a cover date of October, 1967. It was published on August 17, 1967.
Synopsis for "Superboy Goes Ape!"
Appearing in "Superboy Goes Ape!"