Crisis (DC Comics) - "The Super-Crisis That Struck Earth-Two!" and "The Negative-Crisis On Earths One-Two!"

"The Super-Crisis That Struck Earth-Two!" and "The Negative-Crisis On Earths One-Two!"

The JLA and JSA fight people that have been possessed by the Black Spheres.

The stories can be found in Justice League of America #55 and 56 published in 1967. It is the first Silver Age appearance of the Earth-2 Robin.