NASA's Unexplained Files

NASA's Unexplained Files· Season 1 · Episode 4

Black Knight Rises

S01E04·March 11, 2014·44m·Science

A chunk of the sun appears to have vanished. An ominous dark craft beneath the Space Shuttle Endeavour. Hubble spots thousands of unidentified objects traveling faster than light. Are we being watched?

Streaming on (US) HuluHBO Max Amazon ChannelPhiloDiscovery+ Amazon ChannelYouTube TVSee all

Keep going

SeasonSeason 1 ranked & reviewed

Every episode in airing order with ratings and dates.

StreamWhere to watch NASA's Unexplained Files

Every streaming service and region, checked around the clock.

MatchupShows like NASA's Unexplained Files

The closest matches, ranked by overlap and rating.