The Day the Universe Changed and Lennon or McCartney American are not both documentary short films.
The Day the Universe Changed: A Personal View by James Burke is a British documentary television series written and presented by science historian James Burke, originally broadcast on BBC1 from 19 March until 21 May 1985 by the BBC. 
Lennon or McCartney is a 2014 American documentary short film directed by Matt Schichter. 
