Corrected entry: During the episode, it goes back to 1968 and in the closing credits Eric is listed as being 7. However, he can't be because in 'Eric's Birthday' it was 1976 and he had turned 17. Thus in '68 he would have had to be 8 or 9 (depending on his birth) but certainly not 7.
Corrected entry: The actors playing Eric, Hyde and Kelso at a younger age are all credited as playing them at the age of 7 and 13 but we found out earlier in "Halloween"(episode 30) that Kelso is actually a year older than them so the actors playing him at the age of 7 and 13 should have been credited as playing him at the age of 8 and 14.
Correction: At the ages of 7 and 13, everyone thought that he was their age, not a year older, so at that time he would have been saying that he is the same age.
Corrected entry: In the episode, it flashes back to 1968 so Eric would be about 8 or 9 because you know that in 1976 he turned 16, so he would be born in 1959. However it says in the closing credits 'Eric aged 7'. How can he be 7?
Correction: Born somewhere in 1960, he would turn 16 in 1976. Prior to his birthday in 1968, he'd be 7.
Corrected entry: In episode 1 "Pilot" Donna says "you could have had me when I was four". But in this episode they first met when they were seven.
Correction: It was a figure of speech. Even if she was trying to get the age exactly right, this is a character mistake if anything.
Corrected entry: Jackie is younger than the other characters so while the actors and actresses are credited as playing them at the age of 13 she is credited as playing her at the age of 12 but while the other actors and actresses are credited as playing them at the age of 7 she's credited as playing her at the age of 5 when should of been credited as playing her at the age of 6.
Correction: Jackie might not be exactly a year younger than everyone. She might be a bit more than a year younger.
Correction: Eric's Birthday is officially March 5 1960, per the show's website. So he would have been 7, turning 8, in 1968. However, in the show, his birth date is inconsistent and it's for those episodes that a mistake should be listed (such as e01s02).
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