Krabi ("Crabs", 1976)

https://www.youtube.com/watch?v=igROsVAk7fY

short of evil scientist building a war crab that devours everything and ultimately itself. 

God's Kingdom

Intriguing short about a pastor and girl fleeing from what seem to be the devil's men. Great credit song by Michael Malarkey, him of the Vampire Diaries, "scars".

Michael Dudok de Wit - "Father and Daughter"

https://www.youtube.com/watch?v=miGQrV7uE08

Amazing. The reason why I love short films so much.

Wanderers

short film, words and voice by Carl Sagan. Very well done.

https://www.youtube.com/watch?v=Q6goNzXrmFs