Serena's hometown is confirmed to be Vaniville Town. Since Team Rocket was aware of this while disguised as the group, it is a mystery as to how they learned this.
Team Rocket blasts off three times in this episode.
This is the second episode in which James disguised himself as Ash; the first time was in Aim to Be a Metamon Master! Imite (2000), 654 episodes earlier.
Jessie's Pumpkaboo is revealed to know Dark Pulse.