Pichu, an Electric-type Pokémon featured in the animated special "Pokémon Mystery Dungeon: Team Go-Getters Out of the Gate!", is driven by the disappearance of his older brother, Pikachu, captured by a Skarmory. This event fuels his quest to find rescue teams, showcasing deep familial concern and vulnerability.

Initially, Pichu doubts the capabilities of lesser-known rescue teams, specifically pinning his hopes on the renowned Team ACT for Pikachu's rescue. Learning of Team ACT's unavailability plunges him into despondency, convinced his brother is lost, highlighting his dependence on others and initial lack of confidence in alternatives.

Attempting a solo rescue, Pichu encounters the rival Team Meanies in Sinister Cave. Gengar of Team Meanies traps Pichu behind a rock barrier using Confusion, intensifying his distress. Discovered weakened by Team Go-Getters, Pichu is revived with an Oran Berry. Despite his frailty, his determination to find Pikachu remains strong, leading him to join Team Go-Getters on their mission.

Pichu's electrical abilities carry inherent risk; overexertion could cause him to faint. During the rescue atop a mountain summit, both Pichu and Pikachu are held captive by Skarmory. While restrained, Pichu spots a Quick Seed among the scattered contents of Pikachu's treasure bag. Pikachu kicks the seed to Team Go-Getters, enabling Squirtle to use it effectively against Skarmory, securing their successful rescue.

Pichu's character arc traces an emotional journey from helplessness to profound relief upon reuniting with Pikachu. His portrayal emphasizes a younger sibling's vulnerability and reliance on others, contrasting with Pikachu's protective nature. This special marks Pichu's sole animated appearance, concluding with the reunion without further development in subsequent media.