Harry Potter, the whole series (8 movies).
Honestly, I was very skeptical about that series, thinking it was just for kids, but it's definitely suited for adult viewers and it's a damn good movie series. If you haven't seen them for whatever reason make sure you do so.
“Anna, my strong, terrifying Anna.” -Cas
"You lack the requisite spine and testicular fortitude to study under me" -Elodin