When the episode title is read, the usual Pokémon logo isn't in the top left-hand corner.
The English title of this episode is a play on the Spanish phrase "adios amigos".
In the scene where Ash and his friends are seen in ninja jumpsuits, Misty is drawn with brown eyes when talking, instead of her usual blue ones.
Aya's Venonat uses Poison Sting in this episode, despite being unable to learn Poison Sting normally.