the one based in the sea?

Let me guess - 20,000 Bicycles Under the Sea
http://www.stingray.com.tw/

No, nearly:
http://tv21.simplenet.com/productions/stingray/stingray.html

and for more Gerry Andersen supermarionation stuff, try:
http://www.thunderbirdsonline.com/1000/

For a Francophone touch - BON SURF !
http://myweb.worldnet.net/~stefelut/thunder.html

Apart from Stingray, there was also Fireball XL5, Space 1999, and several others. I saw an article a while ago protesting that the re-runs filling TV now just show the ages of the TV programmers