Complex sentence: About 10 minutes into each episode, a Video Ranger "communications officer" showed about seven minutes of old cowboy movies described by the officer, Ranger Rogers, as the adventures of Captain Video's "undercover agents" on Earth.
Split into simpler sentences: About 10 minutes into each episode, a Video Ranger communications officer showed about 7 minutes of old cowboy movies. These were described by the communications officer, Ranger Rogers, as the adventures of Captain Video's "undercover agents" on Earth.