 This is picked up by John Tracy (voiced by Ray Barrett) on the "Thunderbird 5" space station and relayed to Tracy Island, where Jeff (voiced by Peter Dyneley) immediately dispatches his other four sons to the danger zone in "Thunderbirds 1" and "2".Arriving in "Thunderbird 1" and transferring to a hover-jet, Scott (voiced by Shane Rimmer) fires the hover-jet's missile gun to disperse the alligators and accesses the house via the laboratory window.The room eventually caves in, forcing Scott and the others to retreat to the lounge.