"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.
Read more about this topic: Crisis (DC Comics)
Famous quotes containing the word struck:
“Though with their high wrongs I am struck to the quick,
Yet with my nobler reason ‘gainst my fury
Do I take part. The rarer action is
In virtue than in vengeance.”
—William Shakespeare (1564–1616)