A pet containment apparatus for a truck bed that connects to the corner bed anchors and contains an overhead connection for the pet(s) to allow for free movement of the pet(s) in the truck bed, while keeping the pet(s) from exiting the truck bed. The apparatus may be static or adjustable and allow for single or multiple pets to travel safely in the truck bed. The pet(s) will be tethered overhead to allow for free movement. In preferred embodiments, the various elements of the apparatus include a sturdy, metallic frame with adjustable connectors to fit various truck beds.