They are parallel episodes in which the story teller repeats the main outline of an episode several times.
Parallel episodes are events in the story that reoccurmore than once for a reason
The saving of tiny tim
episode 16 :)
Approximately parallel lines may be found on runs where skiers have kept their legs (and skis) facing in the same direction.
Episode 11
Conjunctions.
You find out in the last episode of season 7. The episode is called Living Doll.
The Star Trek episode The Cage can be found in the first season of the original television show. It was actually the pilot episode for the show, the first one that was shown.
season 1 episode 14
In Fullmetal Alchemist: Brotherhood, episode 16.
a shape in which all four sides are parallel