Pikachu just exists in a forest with other Pokémon, no humans telling them what to do, no battles, no stakes. You watch them figure out a simple problem together because they actually care about each other. The whole thing unfolds like someone remembered what made Pokémon feel alive in the first place, before the show got loud.
Pikachu and several other Pokémon head into the woods for a camping trip. While they are out there, they help the Pichu brothers get on board a train. Running a single episode, this special mixes adventure and comedy with a touch of fantasy, keeping the focus on the Pokémon themselves as they camp outdoors and lend the Pichu brothers a hand.