The show aired Saturday mornings on ABC-TV and lasted for one season in its original broadcast.

While on a treasure hunting voyage with his father, Gary Gulliver and his dog Tagg end up shipwrecked on an island.

(A subplot in the series involves a map that Gary's father left to him after secretly putting it inside Tagg's collar before the shipwreck).

The villain of the series is the evil Captain Leech who, in the adventures, is always attempting to steal the map from Gary.

The 1st episode "Dangerous Journey" was released on the DVDs Saturday Morning Cartoons Vol.