In "Pikachu's Rescue Adventure," Pikachu spearheads a rescue mission after Togepi falls into a deep forest hole. Rallying companions Bulbasaur, Squirtle, Marill, Venonat, and Psyduck, Pikachu leads the effort from the familiar territory of a giant tree, once part of its old home.
Pikachu deftly prevents conflict with wild Elekid through communication, forging cooperation. Elekid guides the group to Togepi, mistakenly held by distressed Exeggcute seeking their missing egg. Recognizing their plight, Pikachu shifts the mission focus, prioritizing finding the lost egg before retrieving Togepi.
Navigating the forest, Pikachu and the group observe Bellossom's dance. An accidental Metronome-triggered Explosion attack from Clefairy propels them onto bouncy lotus leaves. A collision with Meowth sparks a brief confrontation; Pikachu repels Meowth with Thunderbolt during a dispute over Gyarados.
When a severe storm threatens the Exeggcute nests, Pikachu organizes defenses. It joins forces with Elekid, using Thunderbolt to intercept lightning strikes menacing the tree. As winds sweep away a nest containing Togepi, Pikachu supports Bulbasaur's vine rescue, ultimately forming part of a collective chain—including Machop and Snorlax—to secure the nest. Pikachu later directs Squirtle and Marill to extinguish a lightning-caused fire using Water Gun.
After the storm, Chansey returns the missing Exeggcute egg. Pikachu witnesses the reunited Exeggcute evolve into Exeggutor via a Leaf Stone, then leads the group back to their trainers, bidding farewell to Elekid and the forest Pokémon to conclude the rescue.