Complex sentence: In an episode ("Syzygy") of the US Television series The X-Files, a Keystone Cops movie is showing on all of the channels on Mulder and Scully's hotel room TV.
Split into simpler sentences: In an episode ("Syzygy") of the US Television series, The X-Files. A Keystone Cops movie is showing on all of the channels on Mulder and Scully's hotel room TV.