Complex sentence: Rocky and Bullwinkle story arcs generally end with the title characters riding off into the sunset; rather than promoting a specific episode or story line the narrator simply exhorts viewers to "tune in next time" for the heroes' further adventures.
Split into simpler sentences: Rocky and Bullwinkle story arcs generally end with the title characters riding off into the sunset. Rather than promoting a specific upcoming episode or story line the narrator simply exhorts viewers to "tune in next time" for the heroes' further adventures.