The German equivalent is Alpha Centauri by Prof. Dr. Harald Lesch.

He created over 200 of those 15 min clips between 1998-2007.

https://youtube.com/playlist?list=PLF86BBCC6E99AF968

Space Night is another classic that should be mentioned in this context.

https://www.ardmediathek.de/sendung/space-night/Y3JpZDovL2Jy...