The Porter family goes searching with Tasha to find a way home. Unfortunately, they run into creatures called Sleestak and their leader, Shung. The Sleestak steals the family car and captures Tasha.
Annie finds Shung's magic crystal sword, which gives her powers she never dreamed of. However, its evil nature slowly changes her for the worse, and she begins acting like Shung.
Annie's pet dinosaur, Tasha, gets in trouble once too often, so Tom decides she should be returned to the jungle to fend for herself.
A Knight named Sir Balen finds his way in through a portal into the Land of the Lost.
Shung finds one of Christa's keepsakes and uses it to establish a hypnotic mind control over her.
