The Star Trek cartoon series was a cheap show. They recycled images all the time. In one episode, somebody points out the Romulan ship on the viewscreen, but they show a scene of the Klingon ship. I didn't think that this was odd though...the Klingons obviously sold weapons to the Romulans.
A childhood belief about cartoons

others believed things like this
- When I was 7 years old I used to believe that the Pirates with their ship they really existed — Enrico
- I used to think that every time a show came on tv, that the actors were inside my tv acting out the show.Anon
- I used to believe the fishs are washing clothes under the ship when it moves because of the bubbles— jeff jefferson
- I used to believe that the Captain's Log in Star Trek, was really a log— Anna
- I totally believed my siblings when they told me the family was aliens and had a space ship in the garage.— cully
- I used to believe that the visible rays of the sun were beaming people up to heaven. like in star trek.Anon