: Subplot-wise, the character Ben Chang returns to campus claiming to have "Changnesia," a form of memory loss where he believes his name is Kevin.

: Fans pointed out a significant break in continuity during a flashback to the Season 2 episode "Cooperative Calligraphy". The flashback shows them refusing Leonard entry during the search for Annie's pen, despite the original episode stating the school was empty due to a "puppy parade".

: This episode aired during Season 4, often referred to by fans and later by the show itself as the "gas leak year" because original creator Dan Harmon was not involved. Critics noted that guest stars like Malcolm McDowell felt underused and the character writing felt "off".