The time has come once again. While Team Rocket relaxes in the Great Marsh, Ash faces off against Crasher Wake in a 3 on 3 Gym Battle. Knowing all the weaknesses of Water Pokemon might give him an advantage, But Wake knows those weaknesses as well, and has a special surprise for Ash. Will he be able to come out on top or will all his hopes of entering the Sinnoh League be sunk?
Instead of Professor Oak's Pokémon lecture, the end of the episode featured a memorial to Pokémon Ranger and the Temple of the Sea. This is part of a countdown to Giratina and the Sky Warrior.
The length of time between Ash's Veilstone and Pastoria Gym challenges is 15 episodes, half that of the 30 episode "drought" between Ash's Eterna and Veilstone Gym challenges. Within the games, this is also the longest distance between two Gyms.
This is the only time in Sinnoh that Ash has won a Gym Battle without any of his Pokémon being defeated.
The title is a reference to a "crash course" usually meaning quick learning and may also reference to the fact that Ash fought Crasher Wake "quickly" as in battling once.
This is the first time Ash calls back his Pokémon and then sends them back into battle two times during a Gym match.
It is also the first time Ash calls back three Pokémon during a Gym match without any of them having fainted.
Crasher Wake is one of the few Gym Leaders that uses exact the same Pokémon as in the games and in the same order.
Floatzels arms are colored wrong in one scene.
In the beginning of the episode Piplup says "Pochama" instead of a variation of its English name.
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