S5·E54 Address Unown!
Aired August 29, 2002
Synopsis
With Mt. Silver a few yards away, Ash and co. soon spot an Unown, which quickly becomes friends with Larvitar. After which, it was attacked by Team Rocket and soon Ash and friends are swept into another dimension. Where are they now and where is Larvitar? And how did Pikachu and Togepi become giants?