In the series 2 episode "Doacters (#2.3)" Tam tells Winston that Frances is a vegetarian, but in the series 6 episode "Recipe (#6.6)" Tam says to Frances that he will get her the spare ribs from the Chinese Restaurant that she likes, even though they are meat.
When Tam first meets Frances, he informs Winston that she is a vegetarian. In a later episode, Frances says that she likes spare ribs from the Chinese takeaway.
When Victor first spots Stewart through the window of the Clansman, the glass is clear. However, the interior shots of the Clansman show that he is looking through a frosted and wire-reinforced pane.