Revealing mistake: When Hathor turns Jack into her first new Jaffa, you can see the line between his chest and the prosthetic that gives him the Jaffa "pouch".
Revealing mistake: When Carter is looking up Hathor on the Internet, the address bar says that the web page is on the C drive of the computer rather than a web URL.
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.