6×03: The Curse of the Black Spot Prequel Trailer
My thanks to Tardis Console News for finding this one.
The Prequel Episode will be available to watch this coming Saturday directly after 6×02: Day of the Moon airs. The Episode will be available to watch on the official Doctor Who website.
Meanwhile, BBC 4 will be airing the 4 part episode The Hand of Fear as a tribute to Elisabeth Sladen and her character Sarah Jane Smith on Monday 9th and Tuesday 10th April 2011.
2 Days and counting until Day of the Moon