. "50th Anniversary Memorabilia"@en . . "Even after fifty years, Thunderbirds Collectables are again being released, this time to celebrate the fiftieth anniversary on the first episode that was screened on British TV back in 1965, on the 30th of September. Below is a list of products that have been released so far or are about to hit the market."@en . "Even after fifty years, Thunderbirds Collectables are again being released, this time to celebrate the fiftieth anniversary on the first episode that was screened on British TV back in 1965, on the 30th of September. Below is a list of products that have been released so far or are about to hit the market."@en .