The Ghost of King Boom Boo in the Old Castle - S1-E19
Other mistake: When Chris says, "We'll be out of camera range," Tails has his legs crossed, but his tails have disappeared.
Sonic X (2003)
1 other mistake in season 1
Starring: Amy Palant, Jun'ichi Kanemaru, Sanae Kobayashi, Suzanne Goldish
Genres: Action, Adventure, Animated, Comedy, Family, Fantasy, Sci-fi
Clash!! Sonic VS Knuckles - S1-E5
Continuity mistake: When Eggman is holding Knuckles' hands, Knuckles' eye color constantly changes from purple to green.
Amy Rose: Throughout history, behind every great hero, there's a great woman guiding him.
Question: What happened to Chris after he returned to his world? Did he become an adult again, or did he remain a child?