Season 4 Episode 1 of Teachers has some of the characters visiting the graves of three characters from the previous three seasons: Kurt, Brian, and Matt.
jojos-bizarre-adventure
the-international
the-golden-child
flea-market-flip
the-rise-of-skywalker
suicide-club
frenzy
pulp-fiction
maximum-overdrive
highlander
godzilla
three-burials-of-melquiades-estrada
rustom
jaws
war-horse
happy
childs-play
person-of-interest
office-space
red-sparrow
the-boondocks
father-brown
dragons-den
being-john-malkovich
sabrina-the-teenage-witch
sonic-the-hedgehog
the-theory-of-everything
modern-family
frank
avenue-5