Tales from the Cryptkeeper (1993)

S2E9 The Brothers Gruff

Eddie’s worst fears are realized when he walks across a bridge and finds himself pursued by a playful troll. Fortunately, his best friend Sheldon, who belongs to an eccentric group known as the 'Jr. Monster-Busters,' has a plan. But things take a turn for the worse when Eddie’s skeptical older brother is snatched away by the mischievous creature.