Many songs are repeated multiple times through an episode, such as "Living on a Thin Line" by The Kinks in the season three episode "University" and "Glad Tidings" by Van Morrison in the season five finale "All Due Respect".
Mnoge pjesme se ponavljaju tijekom epizode, kao što je "Living on a Thin Line" The Kinksa u epizodi treće sezone "University" i "Glad Tidings" Van Morrisona u završnici pete sezone "All Due Respect".