The Adventures of Letterman turns 45 this year. Let's turn back the clock to a time when our hero had to stop a magically created traffic jam, all because Spellbinder (Zero Mostel) turned a family's car into a jar for his own amusement. Here's "A Jarring Experience".
Sixty shorts were produced over the course of five seasons (seasons 2-6 of The Electric Company). Much like, say for example, Scooby-Doo, Letterman fell into a pattern that was almost never broken.