The Hydronauts

Close Encounters (2x13)

Air date: Aug 23, 2004

Balty is sure of what he has heard: Neptuna wants to return to her planet without telling them! When Ponto thinks he has seen another spaceship, he is convinced that Neptuna's friends are coming to find her! Now is the time to act. Disguised as aliens, Ponto and Balty meet manta rays and a remora fish!