Even when a show begins life being popular, that doesn’t mean it stays stagnant. Casts can change. Sometimes characters leave, but other times characters show up and are added into the mix.

Narrator: You're looking at the first LGBTQ wedding in a kids' animated show. And this is ... 1933 animated Flip the Frog short "Soda Squirt." The flamboyant character turned Hyde-like monster ...