mike's ass? dumped.

the wheeler siblings really be dressin’ in them cute sweaters and then the next day are committing treason and picking up the nearest blunt metal object to wack a monster from another dimension with

good for them

ronance may not have interacted much but the writers DID strike a holy grail of robin saying "she's such a PRISS" about nancy (which hits that age-old "they don't like each other at first" romance trope), robin canonically being a lesbian therefore ensuring a small but dedicated fanbase that pursues often neglected f/f ships, and accidentally making robin nancy's "type" (intelligent but slightly weird social outcast kid with a heart of gold a la jonathan byers)

steve wears bright tacky windbreakers because i wear bright tacky windbreakers and i said so

steve went from calling jonathan a queer to befriending the town lesbian, call that character development