Sound film "The Clue of the New Pin", a British Lion production using the sound-on-disc British Photophone system. In May, "Black Waters", a British and Dominions Film Corporation promoted as the first UK all-talker, received its initial trade screening; it had been shot completely in Hollywood with a Western Electric sound-on-film system. None of these pictures made much impact. The first successful European dramatic talkie was the all-British "Blackmail". Directed by twenty-nine-year-old Alfred Hitchcock, the movie had its London debut June 21, 1929. Originally shot as a silent, "Blackmail" was restaged to include dialogue sequences, along with a score and sound effects,
Alfred Hitchcock Presents Pictures UK has released the first three seasons on DVD, and Fabulous Films has released all seven seasons on DVD, including all three seasons of "The Alfred Hitchcock Hour". In Region 4, Madman Entertainment has released all seven seasons on DVD in Australia. They have also released all three seasons of "The Alfred Hitchcock Hour". In 1985, NBC aired a new TV movie pilot based upon the series, combining four newly filmed stories with colorized footage of Hitchcock from the original series to introduce each segment. The movie was a huge ratings success. The "Alfred Hitchcock Presents" revival series debuted