Reboot of the classic children's animated adventure series. A survey vehicle stalls at the bottom of the Marianas Trench, just as it discovers an old plane once flown by Jeff Tracy. Gordon takes Thunderbird 4 down to save the crew, but danger awaits in the form of an old foe.

Reboot of the classic children's animated adventure series. When seismic activity near the coast of Greece reveals the lost city of Atlantis, two scientists venture below the depths to explore the area. But when their submarine becomes stuck, International Rescue are called out to assist.