Pokemon Season 1 Episode 12 - Here Comes the Squirtle Squad

⁣On the way to Vermilion City, Ash, Misty, and Brock become the “victims”
of the Squirtle Squad’s pranks. The end up falling down a hole, and are
even eventually captured by them. It turns out that they are working
together with Team Rocket. When Pikachu is severely injured, the
Squirtle let him out to go get medicine from town, but will the Squirtle
keep their promise and leave Pikachu, Misty, and Brock alone while he
is gone, and what is Team Rocket really up to? In the end after Pikachu
is healed, Squirtle, the leader of the Squirtle Squad wants to join Ash
on his travels.