Continuing with Todd, their search for Articuno, Ash and friends no sooner stop for a snack break than a trio of Swinub appears and makes off with Misty's rice cake. The children jump to pursuit and soon learn that these Pokémon are in the employ of a father-daughter team of water prospecters. The Swinub's keen sense of smell allows them to detect substances buried deep underground. Impressed by thier operations, Team Rocket decided to pirate the idea and its key Pokémon and turn them to their own gain. (thetvdb.com)