Koki wants to leave the Sonoran Desert to resupply the Tortuga, but Koki wants to leave the Sonoran Desert to resupply the Tortuga, but Chris and Martin don't want to go until they track down a mysterious Chris and Martin don't want to go until they track down a mysterious lizard. But they'll need the help - and powers - of their friend the lizard. But they'll need the help - and powers - of their friend the Road Runner. Road Runner.