In this post are two video's. The first one is when David Tennant announced live that he is leaving Doctor Who from the National Television Awards, and the second one is a high quality version of a previously shown trailer for The Next Doctor. You can see the video's below;

National Television Awards Acceptance Speech

The Next Doctor - Preview Trailer

Last night after David Tennant announced that he would not be returning as the Doctor in 2010, the official Doctor Who BBC website added an interview with him discussing his departure. You can watch that here and those of you outside the UK can watch it here and here. Also this morning on BBC Breakfast there was a discussion about David leaving and you can watch that here.