Thrust into the spotlight following their plane crash and discovery of ancient artifacts, Josh and Alex are enlisted to help a local archaeology professor locate and protect the site. Unfortunately, Dr. Maggie and her team are not the only ones interested; a team of thieves threatens the project - and the lives of the entire crew. As the danger escalates, the pair need help from Mickey, Moose, and a mysterious stranger to save them as they Return to Mystery Mesa.Thrust into the spotlight following their plane crash and discovery of ancient artifacts, Josh and Alex are enlisted to help a local archaeology professor locate and protect the site. Unfortunately, Dr. Maggie and her team are not the only ones interested; a team of thieves threatens the project - and the lives of the entire crew. As the danger escalates, the pair need help from Mickey, Moose, and a mysterious stranger to save them as they Return to Mystery Mesa.