Trivia: The character of Leland McKenzie started wearing hearing aids on the show when the actor who portrayed him, Richard Dysart, needed them in real life.
Trivia: Andy Griffith was the only actor to appear in all 195 episodes of the series.
Kiseki no fukkatsu! Yuyo no cosmo - S1-E5
Trivia: When Seiya falls down during the victory celebration and the three kids scream (the shot that comes before the one where Miho drops the picture) you can see briefly in the audience between the kids an easter egg appearance of Magical Princess Minky Momo, a character from a different anime. (00:13:50)