After Quinn removes his top, his hair becomes slightly disheveled. As soon as he passes through a doorway, his hair is back to being perfectly styled.
Professor Arturo says, "On our world it was Alexander the Great who put an end to the dominance of Egypt...". However, Egypt was conquered by the Persian King Cambyses II. When Alexander did conquer Egypt later he conquered it as part of the Persian Empire but it had already lost it's independence much earlier to the Persian Empire.
When the team looks at the cover of the New Alexandria Times at the start of the episode, "pharaoh" is misspelled as "pharoah" in the headline.