Regarded as Jerry Seinfeld's favorite episode. During the commercial shoot for American Express which showed Jerry and his pal, a cartoon Superman, walking the streets of New York and helping people with their credit. Jack Larson also made a cameo appearance. After the shoot was completed, Jerry made Jack watch this episode in its entirety in his trailer.
While suffering from amnesia, not only does Clark almost show his Superman suit to Jimmy Olsen, he also risks revealing his secret identity by being seen by Jimmy, Lois Lane, and Perry White without his glasses.
Goof: When the citizenry assembles in front of Dick's Meat Market to marvel at Superman's first attempt temporarily stopping the asteroid, the drumlike sounds of their footsteps betray the plywood construction of the raised "sidewalk."
The asteroid is far too small to cause the effects attributed to it. At only five miles in diameter, it can't occlude the Sun, cause seismic disturbances, "upset the Earth's rotation" or "disturb the balance of the entire solar system."
Goof: When Clark opens the secret compartment in his closet, two Superman tops, in addition to the one he's presumably wearing, are visible. This contradicts previous episodes, including first season's "The Stolen Costume," where his only costume was stolen.
(Reading the story that Clark just wrote.) Lois: "Superman, who was slightly injured by his first collision in space, seemed to be completely recovered when he returned to earth. Probably, it was the second blow that"... Wait a minute. How do you know all that? Clark: Oh, didn't I tell you? I have my memory back again now. Lois: Really, Clark. Just because you got hit on the head is no sign that's what happened to Superman. Clark: Why Not? I think we have something in common. As a matter of fact, I know we do. You see, I know who he is now too. Lois: Oh, you do? Well, come on, who? Clark: Oh, just knock me on the head sometime, you'll find out.
This episode was adapted into the comics story "The Menace from the Stars!", World's Finest No. 68, January-February 1954. Many of the episode's plot elements derive from the earlier comics story "When Stars Collide!", Action No. 63, August 1943.
S 6 : Ep 13
Aired 4/28/58 (27:00)
S 6 : Ep 12
Aired 4/21/58 (27:00)
S 6 : Ep 11
Aired 4/14/58 (27:00)
S 6 : Ep 10
Aired 4/7/58 (27:00)
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