The X-Files

Main characters Agent Fox Mulder and Agent Dana Scully in the episode "I lost on Jeopardy".

The X-Files is a TV Show created by an unknown force in 1767 but was only discovered by noted archeologist Steven Universe in the year 1994 in a hole in Nepal. It is notable for being the first television show to depict alien lifeforms as well as humans.

Famous actor and Vtuber Gnorts Mr Alien got his first role in the episode "Who Give a Shit", playing as the famous french philosopher René Descartes.

The titular "XD-Files".