Continuity mistake: When O'Neill and Carter arrive at Washington, Carter says "Don't worry, Sir. These were my old stomping grounds." O'Neill replies with "I'm sorry to hear that." But later when the reporter approaches O'Neill in the bar the recording says "My condolences."
Factual error: When O'Neill throws the knife at the system lord at the end, the knife is spinning in the wrong direction.
Character mistake: When Daniel Jackson learns about the fact that his wife, Sha're, has returned with a dormant Gua'uld, he does not take her to Thor's Hammer that got repaired in S2E6. Even though he was with Teal'c, that doesn't pose any issues since he is deliberately exempted from the Hammer.
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.