Buzzy in "Be Sure of Your Facts!"
Superboy in "The Colossal Superdog"
Krypto is affected by some strange radiation, making him a giant and giving him rabies. Superboy cures him by exposing himself to the same radiation to make himself a giant and giving Krypto an X-Ray vision treatment.
An untitled Bebe strip.
Aquaman in "The Undersea Hospital"
An untitled Varsity Vic strip.
Green Arrow in "The World's Worst Archer"
A re-telling Speedy's origin.
An untitled Shorty strip.