Complex sentence: One day, Benjamin Kane, a television producer, discovers Wayne's World while visiting his girlfriend; after learning of the show's popularity, he has his assistant Russell Finley track down where Wayne's World is taped.
Split into simpler sentences: One day, Benjamin Kane; a television producer, discovers Wayne's World whilst visiting his girlfriend. After learning from her how popular they are, he has his assistant Russell Finley track down where the show is taped.