When Mike was keeping him safe in Hawkins Lab, and Will was going through stages of possession.

That scene with Will being possessed and strapped to the chair while Mike is trying to bring him back by talking about their childhood made me wanna cry ngl-

Crazy Together is iconic but “Hawkins hasn’t been the same” is so cute i love it 🥰

It's between Half Love Confession and Hawkins hasn't been the same with out you

Everything. Mostly season 4 stuff because of the HUGE amount of hints Mike also likes Will