A heavy metal extraction platform carrying toxic waste at the bottom of the ocean is in trouble. Gordon rushes in with Thunderbird 4 when a fire on board the rolling factory damages its steering capabilities. With the help of Lady Penelope and Parker on the surface, Gordon must rescue platform operator Ned Tedford and prevent the rig from spilling its waste.
Elenco: David Graham , Rasmus Hardiker , Kayvan Novak , Rosamund Pike , Thomas Brodie-Sangster , David Menkin , Angel Coulby , Chris Jarman , Adjoa Andoh , Jenna Coleman , Sandra Dickinson , Teresa Gallagher .