Stop It Superman -- You're Wrecking the World! - Superman defeats a scientist who used a gadget to absorb and weaponize the energy Superman suppresses to prevent sonic booms when he flies at super-speed.
A Superman's Best Friend Is His Superdog! - Krypto the Superdog faces Mr. Mxyzptlk.
Characters: Superman [Clark Kent]; Krypto; Mr. Mxyzptlk
Script: Gerry Conway
Pencils: Curt Swan
Inks: Tex Blaisdell
