Superman is rendered powerless by a kryptonite trap. This sounds like a job for...Lois and Jimmy?

Beware of Superman! A nuclear incident leaves him glowing with radioactivity and lethal to anyone he's near.

Destination: Earth! Superman saves Metropolis from a plummeting asteroid -- and loses his memory in the process.

Commentary available by Jack Larson (Jimmy Olsen) and Noel Neill (Lois Lane).