Ash arrives and surprises Misty and Brock. They walk to Westwood’s lab, where they discover that he is actually the fifth of many Westwoods, and insists on being called that. He is also trying to figure out the mystery of Slowpoke and Shellder, and hopes to present a theory to the world’s leading body of Pokéologists, the Pokémon Suppositum. Westwood V goes outside to fish, trying to understand Slowpoke. As Ash and his friends find a Slowpoke sitting next to them, Psyduck comes out of its Poké Ball and talks to the Slowpoke. After what seems to be some random, unintelligent conversation, a Krabby comes out the water. It first grabs onto Slowpoke’s tail, and then Psyduck’s, which the two register several seconds later. The team decides to go have some lunch for a break.
(Source: Bulbapedia)