For all episodes from Season 2, Season 3 and Season 4, I have added in a trivia quiz, each consisting of five questions. There are always three choices, only one of which is the right answer. Two options will be available at the end of each quiz. Firstly, a "check score" option to see if the answers you have filled in are correct, and secondly a "reveal answers" function so that you can see the full set of correct answers.

The following is a complete list of all episodes which have a trivia quiz: