Complex sentence: The show normally involves "Norton" (the mayor's son), visiting central park to visit "Tupu" (who lives there), "Tupu" normally helps "Norton" resolve a problem revealed at the beginning of the episode.
Split into simpler sentences: The show normally involves Norton (the mayor's son) visiting Central Park to visit Tupu (who lives there). Tupu helps Norton resolve a problem revealed at the beginning of the episode.