Astin Skylar 1987 : Trolls, the beat goes on!. Seasons 1-4 / created by Hannah Friedman ; written by Matthew Beans, Matt Ackels, Nate Federman, Caitlin Meares, Elaine Carroll [and others] ; directed by Allan Jacobson, Spencer Laudiero, Jim Mortensen, Alex Almaguer, Howie Perry [and others].