Pint-sized cars live and play in a life-size forest; the remote-controlled vehicles -- Zack, Lily, Rex, and Axle -- take part in adventures that see them crossing streams, building dams, and exploring meadows.
EPISODE 1
Zerby Town Dam; Hide and Seek; The Zerbowl
Zack and Lily build a dam to block a stream; Zack and Rex play hide and seek; Axle and Zack strumble upon a giant bowl.
EPISODE 2
Big Rock, Sandy Mountain; Eye in the Sky; The Construction Zerby Race
Zack and Rex discover a big log in the Zerby Town sand pit; Chase the helicopter tries to keep track of everyone; Axle the racer wants to join a race that the Construction Zerbies are having.
EPISODE 3
The Big Move; Flower Power; Best Jump Ever
Zack and Rex really want to play in the Zerby Town sandpit, but it is too small; Zack finds Lily in the middle of the trail, trying to stop Zerbies from running over a flower; Axle, Zack and the Construction Zerbies try to build the best jump ever.
EPISODE 4
Mazy Days of Summer; Boat House; Zerby Turn
Zack and Rex set out to solve the Zerby Town maze -- something no other Zerby has ever done; Zack and Lily discover that Bob the boat does not have a garage; Zack and Axle discover that one of the turns is too sharp.
EPISODE 5
A Better Bridge; Axle's Track; Zack Camps Out
Zack and Rex try to build a bridge over a ditch; Axle creates a racecourse; Zack and Lily build a shelter.
EPISODE 6
Tunnel Drat; Raking Leaves; Up a Tree
The Construction Zerbies make a table-top obstacle out of a large pile of dirt; Zack and Lily set out to find the leafiest place in the forest; Chase the helicopter starts sleep-flying, crashes into a tree, and gets stuck at the top.
Phil McCordic
Stacey Depass
Jason Hopley
Ron Pardo
Kirsten Alter
Joan Lambur
Ira Levy
Peter Williamson