[yuleeyahoo]

You might find this helpful from Wikipedia:

Stand-alone films Superman: Doomsday
Justice League: The New Frontier
Wonder Woman
Green Lantern: First Flight
Batman: Under the Red Hood
All-Star Superman
Green Lantern: Emerald Knights
Superman vs. The Elite
Superman: Unbound
Batman: The Killing Joke
Batman and Harley Quinn (upcoming)

Superman/Batman
This continuity is based on the Superman/Batman story line.
Superman/Batman: Public Enemies
Superman/Batman: Apocalypse

Justice League (JLA)
This continuity is based on the JLA story lines published in 2000.
Justice League: Crisis on Two Earths
Justice League: Doom

Batman: Dark Knight Universe
This continuity is based on Frank Miller's Batman (Dark Knight Universe).
Batman: Year One
DC Showcase: Catwoman
Batman: The Dark Knight Returns

DC Animated Movie Universe
This shared universe is based on The New 52 continuity.
Justice League: The Flashpoint Paradox
Justice League: War
Son of Batman
Justice League: Throne of Atlantis
Batman vs. Robin
Batman: Bad Blood
Justice League vs. Teen Titans
Justice League Dark (upcoming)
Teen Titans: The Judas Contract (upcoming)

Justice League: Gods and Monsters
Justice League: Gods and Monsters
Justice League: Gods and Monsters Chronicles

Other universes
Batman: Gotham Knight (set in the Nolanverse)
Batman: Assault on Arkham (set in the Arkhamverse)

[Sam Gamgee]

Copied and pasted to excel. I have seen most of those, though none of the green lanterns.

Great thing is I can watch with my kids.

Except the 2 Dark Knight Returns films. Way too graphic.