Flap, Yanyanma! Fly to Tomorrow's Sky!! - S4-E20
Character mistake: At the beginning of the episode, the narrator says that Ash and his friends are heading to Johto. However, they are already in Johto. (00:00:07)
Flap, Yanyanma! Fly to Tomorrow's Sky!! - S4-E20
Continuity mistake: When Ash uses his Pokédex, there is an antenna on it, but in the next shot, it disappears. (00:00:18)
Flap, Yanyanma! Fly to Tomorrow's Sky!! - S4-E20
Continuity mistake: When a crowd turns to look at Zachary after the ice sheets have melted, the lumber on the bakery is dark-brown with a three-by-three cupboard with bread in the two top cubicles and the centre cubicle to the left, but in the next shot, the lumber is medium-brown with a two-by-three cupboard, and the bread in the aforementioned cubicles have disappeared along with their plates. (00:13:41)
Flap, Yanyanma! Fly to Tomorrow's Sky!! - S4-E20
Continuity mistake: When the crowd scrutinises, the lumber on the bakery is medium-brown with a beam equidistant from the cupboard and the front window, but when the baker has Zachary look at the destruction at the bakery, the lumber is dark-brown with the beam more aligned to the right. (00:13:48)
Answer: He is a good guy but just found himself in a bad situation when he worked for Lysander. He didn't want him to harm Ash and his Pokémon when he was trying to get the special bond between Ash and his Greninja to work. He does leave Lysander and go back to being a good person.