Anything with a run time of less than 20 minutes, and has 3 or more episodes is on this list. Including DVD/TV specials for longer run-time shows. The list is ordered with stand alone shows first. So, if you're looking to buff your anime numbers...
Everything I've watched in 2015.
Everything I've watched in 2016.
This is a list of all Anime movies, OVAs, incomplete and complete series I own.
Ranking of Movies and anything I consider short form. Usually anything with a total run time of 2 hours or less .