This is the first time Ash uses Gliscor's in a Gym battle, and as of this episode, Ash's entire team has now participated in at least one Gym battle.
Ash defeats the Canalave City Gym Leader Byron in a Gym battle, earning the Mine Badge.
As of this episode, Buizel has participated in more Gym battles that any other member of Ash's Sinnoh team, if Pikachu's Gym battles from other regions aren't counted. However, Buizel also ties with Chimchar, if its battle against Roark during its time with Paul's team is counted.
Team Rocket doesn't recite their motto during this episode. They do, however, recite part of a variation of their motto without the background music. Before they could finish, though, Meowth cuts it short and, while breaking the fourth wall, says, "Look, kids, since you know what comes next, let's cut to the chase."
This episode marks the shortest time between Gym battles for Ash against a Sinnoh Gym Leader. Ash's last Gym battle was just six episodes prior, against Fantina.