: Jared Fogle actually appeared in Subway commercials at the time, claiming he lost weight by eating sandwiches.
: The boys hold auditions to find a new fourth friend, eventually settling on Butters. [S6E1] Jared Has Aides
A core "deep feature" of this episode is the temporary restructuring of the main group following Kenny's permanent (at the time) death. : Jared Fogle actually appeared in Subway commercials