EPISODE REVIEWS
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A powerful underwater seaquake turns a busy day for International Rescue into a perilous one. Gordon's mission is to rescue a research team trapped in an undersea lab, but in doing so he discovers a chain of seismic destabilisers positioned along the bottom of the ocean floor. Lady Penelope is contacted to help the Thunderbirds find the person responsible.
morelessS 4 : Ep 9
Aired 12/9/17
S 4 : Ep 7
Aired 12/3/17
S 4 : Ep 6
Aired 11/4/17
S 4 : Ep 5
Aired 10/28/17