After Red return from battle Master Hand,He regroups with Green,who has caught a Jigglypuff. Red and Green arrives at Cerulean Gym where they see the Gym Leader,Misty swimming with three Lapras' in her Red Bikini. After she climbs out of the water,The two approaches her to introduce themselves. Red and Green challenges her to a Pokémon Battle to win a badge,which she accepts it.

Misty chooses Green first. While Red practicing with his Pokémon,Green befriended one of the three Lapras'. She put on her Light Blue Bikini and dives in. She begun enjoying with Lapras,but she didn't even notice that Misty was watching them. On the way back to the gym,A Salesman gave Red a Magikarp. Later during Pokémon battle,Green's Bulbasaur defeats Misty's Psyduck. She calls out Staryu and defeats Bulbasaur. Green calls out Jigglypuff,who sings to put Staryu to sleep and pounds it.

After Green earns a Cascade Badge,Red is next. Team Rocket attempt to steal the Water Pokemon. They even try to capture Lapras,but Green saves it. Misty's Staryu evolves into Starmie and defeats Team Rocket. Next day,
The Battle begins with Red's Pidgey and Misty's Psyduck. After Psyduck gets defeated,Misty calls out Starmie and defeats Pidgey. Red sends out Pikachu and defeats Starmie with Thunderbolt.

Red earns a Cascade Badge. Misty gave one of her Lapras' to Green. They begun continuing their journeys.