Takashi is a nuisance is the 5th episode of Dino Girl Gauko.
Takashi pesters Naoko in hopes that she'll transform into Gauko. At school, Takashi continues to pester Naoko and Saito intervenes, however, he doesn't mediate the problem. Even afterschool Takashi pesters Naoko and the following day Naoko at her limit transforms into Gauko. Delighted by this turn of events, Gauko sends the pest flying.