Shauna used Bulbasaur in the Team Battle tournament in Battling into the Hall of Fame! where it battled alongside Charmander and Squirtle, making their way through to the final round which was set to be against Team Froakie. Before the battle Team Rocket managed to trick Shauna into leaving Bulbasaur with them, under the impression they'd take it to Nurse Joy. Jessie's Pumpkaboo constricted Bulbasaur, Charmander, and Squirtle with Leech Seed but Ash and their trainers eventually were led to Team Rocket by Clemont's Bunnelby and Serena's Fennekin. It later battled Pikachu, Fennekin, and Clemont's Chespin in the tournament finals where it was defeated by Pikachu's Electro Ball.
In A Showcase Debut!, Shauna and Bulbasaur finally competed in a Pokémon Showcase Rookie Class at Coumarine City. The Theme Performance was Pokémon Styling and they went up against Jessilee, and her Pumpkaboo and a Performer named Alouette and her Furfrou. Bulbasaur modeled a bouquet of flowers on its bulb and the audience voted it through to the next round. It later worked with Flabébé during the Freestyle Performance. The two Pokémon combined Petal Dance with Fairy Wind to create a pretty pink backdrop for Shauna as she danced with a ribbon. After the team disappeared amongst cloud, Bulbasaur dispersed the Fairy Wind with Solar Beam. Bulbasaur was revealed from the cover using Vine Whip, in the shape of a heart, to suspend itself in the air. Their performance won the whole event, earning Shauna her first Princess Key.
Ivysaur in the Master Class
It appeared again in Tag Team Battle Inspiration! where it was revealed to have evolved into Ivysaur. It later battled alongside Tierno's Blastoise in a Tag Battle against Ash's Pikachu and Serena's Eevee. The match was called off before reaching a conclusion. It competed in the Anistar City Pokémon Showcase Rookie Class in the following episode where it helped Shauna to win the Theme Performance. It teamed up with Flabébé in the Freestyle Performance and gave a similar performance to before. However, Serena was voted the overall winner and Shauna did not earn a Princess Key.
During the Pokémon Summer Camp, Bulbasaur was friendly to its Trainer while acting cold towards all others, not being as welcoming to Pikachu and the group's Pokémon as Tierno's Squirtle. In later appearances, however, Bulbasaur was shown to have warmed up to the gang and retained this as an Ivysaur.