This marks the first mention of Aura, a special kind of energy which will later be mentioned in Season 11.
Bonsly is pronouced incorrectly in this movie. It is suppose to be pronounced Bon-sly, but it is pronounced Bon-slee.
Pidgeot is pronounced Pid-jit.
Lucario: You humans are all alike, you can't be trusted.
Ash: Hey wait a second, are you saying you don't trust me?!
Lucario: You would leave Pikachu without hesitating if you had to.
Ash:Theres no way I'll ever run out on Pikachu!
Lucario: Your word means nothing.
Ash: How do we know Sir Aaron betrayed the queen like you said, why don't you tell us the real story Lucario, your the one who betrayed Sir Aaron and the queen didn't you?!
Lucario: What did you say?!
May: This isn't helping Ash.
Ash: I didn't start it.
Lucario: What makes you think Pikachu didn't run off and desert you because it didn't want you for a master.
Ash: Take that back!
Kidd: (to Weavile's) I should send you two to obedience school.
Lucario: Ash, promise me you will never abandon Pikachu.
According to promotional maps, Rota and the Tree of Beginning are located in the mountains north of Pewter City.
This is the last movie to be dubbed by 4Kids and the last for the original cast of Pokémon.
Diane and Butler (from Jirachi: Wish Maker) appear in the ending credits.
The castle is based on Neuschwanstein, a castle in Allgäu, Bavaria, Germany.
Pokémon Debuts: Lucario, Bonsly, Regirock, Regice, Registeel, Weavile, Mime Jr.
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