Kimberly's best friend is Trini Kwan, with whom she starts a petition for environmental awareness and volunteered to become "Big Sisters" to Maria, a young girl who needed guidance. When Kimberly starts a botany club that is less popular than Trini's volleyball club, Lord Zedd uses a spell to turn Kimberly's jealousy into hatred; however, she overcomes the spell and the two girls defeat Zedd's monster, the Bloom of Doom, before reaffirming that they are lifelong friends. Later, Mr. Caplan apologized to both Kimberly and Trini for accidentally switching the forms. When Trini leaves for a Peace Conference in Switzerland, Kimberly becomes close with Trini's replacement, Aisha Campbell, with whom she shops with everyday.