>Bad to the Bone is the 73rd episode of the Pokémon anime.
>The episode begins with Ash, Misty, and Brock visiting Professor Oak's Lab for some advice on training for the Pokémon League. Oak suggests that if Ash wants to compete that he get on his way immediately. Ash heads back to his house to get his bag and Professor Oak and Ash's mom give him a heartfelt good luck as he sets on his way for the Pokémon League. Brock leads Ash and Misty through a grass field suggesting that it is a short cut to Indigo Plateau, when a shadow suddenly flies by and jumps into the air. The shadow lands in front of them and is revealed to be a Pokémon Trainer named Otoshi, who challenges Ash to a Pokémon battle, after he realizes that they are heading to the Pokémon League. However, he tells Ash that the loser must give up all eight of their Badges to the winner.
