A kryptonite meteor falls in Addis Ababa and is sent to Shuster for study. It turns up in one of Clark's classes, a class on minerals. There, Clark feels the pain of kryptonite for the first time. But ...

When Krypto gets amnesia, Superboy must keep him out of trouble and find a way for his dog to get his memory back. Superboy meets Mighty Lad who appears to have similar superpowers and claims to be ...

"Jor-El's Visit to Earth!" (Superboy, Jor-El, Ma and Pa Kent (cameo), Krypto (cameo), Lex Luthor, Phantom Zone Prisoners: Brak-Du and two unnamed criminals, Green and Red Kryptonite / written by Otto ...