Land of the Lost - Season 2 Episode 3 Opah
Overview: Kevin and Tasha find Opah, an old Paku who is Stink's grandfather. Stink is embarrassed by his grandfather's ways, especially his ""musica"", a wooden flute that has a hypnotic effect on the dinosaurs. But Stink changes his tune when Scarface threatens the family and Stink must use Opah's flute to save the day.