Just checked the lists.
Leaving (all on 29th)
- Batman & Mr. Freeze: Subzero (1998)
- Batman: Gotham Knight (2008)
- Batman: Mystery of the Batwoman (2003)
- Dc Showcase: Superman/Shazam!: The Return Of Black Adam
- Freedom Fighters: The Ray (2018)
- Green Lantern: Emerald Knights (2011)
- Green Lantern: First Flight (2009)
- JLA Adventures: Trapped In Time (2014)
- Lego DC Comics Super Heroes: The Flash (2018)
- Superman vs. The Elite (2012)
- Superman: Brainiac Attacks (2006)
- Superman: Doomsday (2007)
- Superman: Man of Tomorrow (2020)
- Wonder Woman (Animated) (2009)
Coming
- Son of Batman (2014)
- Batman vs. Robin (2015)
- Batman: Bad Blood (2016)
- The Lego Movie (2014) [Okay, only a technicality]