Thunderbirds Are Go!: Season 2, Episode 6 - ProjectFreeTV

2 - 6: Up from the Depths, Part 1

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.