Continuity mistake: When Karen first moves in with Angela Jeffries (lesbian lawyer) after leaving the old ladies' ward, Angela discloses to Karen that she's a lesbian. However, a few episodes later when Karen returns from a date with Dr. Greg, Angela discloses to her again that she's a lesbian, and Karen acts all surprised and disappointed.
Continuity mistake: At the Chequers meeting in early 1944, Sir Bernard Montgomery is wearing the rank insignia of a field marshal. In the later meeting with the King in which the D-Day plans are announced, he is correctly wearing that of the lower rank of general. In fact, Montgomery was promoted from general to field marshal on 1 September 1944, nearly three months after D-Day.
Continuity mistake: Seeing the rocket fired by the Zeon, Amuro gets on the ground. In his reaction shot to the horror of the hangar with two men entirely scorched by the explosion, he has debris on his arms, that were clean in the shot before. (00:11:30)