Revealing mistake: A couple of seconds before the beginning of the opening titles you can see that the eyelids of one of the dead Limvris are moving.
Revealing mistake: When the village canon touches the hot poker to Teal'c's forehead tattoo, the profile view shows that the edge of the applique used by the makeup artist has separated from Chris Judge's face. It apparently was not glued down securely enough, and this is not an isolated incident. It happens quite frequently throughout the entire series.
Revealing mistake: You can tell the rocks of the cavern are CGI and they're walking in front of a green screen. For example, when everyone goes back to the cavern, with Nick, in one shot the rocks cover part of Teal'c's head.
Chosen answer: Report 30185 is a joke report referring to the time when SG-1 go back in time to 1969 in the episode '1969'. The joke is that Colonel O'Neil knocked up a hippie and made sure Mitchel was taken care of throughout his life, like how he got into the 302 program while his buddy, a better pilot, did not.