With some extra sentimental feels and more polished animation, this is a great finisher that fits right in with usual K-On shenanigans.
K-On! The Movie
Girls und Panzer: der Film
While it's literally the same plot as the series, the action and animation are improved (though some action is as believable as a Fast and Furious movie). It has a vibe of watching an eSports match, just with very Moe anime girls.
Liz and the Blue Bird
I can't remember the last time I literally felt my heart flutter in pure joy at the beauty of something. It feels like it's Christmas morning and you're eight years old again.
Rascal Does Not Dream of a Dreaming Girl
An amazingly emotional and excellent cap to the loose ends left by the main series, this movie is everything good about the series but better.
Konosuba! The Legend of Crimson
The Konosuba Movie is the series at its absolute best. From start to finish, the comedy is perfectly on point.
Re:Zero – Memory Snow
For an OVA this is surprisingly well done...a good, funny time worth watching if you liked Re:Zero. Plus, there's a Konosuba Easter Egg!
A Silent Voice
A beautiful, intimate piece that explores self-acceptance, redemption, and life’s small events that feel larger than a Marvel movie. Infused with KyoAni's signature love for the craft, story, and life itself.
Fate/Stay Night: Heaven’s Feel II. Lost Butterfly
An emotionally brutal piece, this is the best installment in the Fate franchise yet.
Kizumonogatari Trilogy
Despite (or perhaps due to) being a completely different vibe and style from the rest of the Monogatari series, this is hands down my favorite.
DanMachi: Arrow of the Orion
Pretty standard TV-anime movie with not-necessarily-canon story, but if you can get a hold of it, worth checking out.
At a Glance Anime 