Pikachu uses Thundershock...Caterpie is weak...but manages to evolve!
What?! The shock powered him up! Metapod (the one who evolved from Caterpie) is evolving...Look! It's Butterfree now!
Butterfree swoops down...and...
Hits Pikachu! K.O! Looks like we didn't catch 'em this time.
