Reseda Rose - S1-E6
Revealing mistake: During the meeting on the beach, while Bill remains on the hill Ralph flies to the surfaced submarine, and in Ralph's closeups on the sub the crinkled black set wall behind him is painfully obvious.
The Greatest American Hero (1981)
1 revealing mistake in season 1 - chronological order
Starring: Michael Pare, Robert Culp, William Katt, Connie Sellecca, Don Cervantes
Reseda Rose - S1-E6
Continuity mistake: When Ralph is flying to Simpsons house, he continuously flies over the same area 5 to 6 times...meaning it is just reused footage. (00:20:50 - 00:21:40)
Ralph Hinkley: Bill, I've got an idea.
Bill Maxwell: Good, put it to me in a letter, I'll try to get back to you by the end of the month.