Which are your favourite? Mine has to be these ones:
http://youtube.com/watch?v=KjoLzPcnUYc
http://youtube.com/watch?v=WqefvtQsgeU
http://youtube.com/watch?v=5_oTejQQbHw
http://youtube.com/watch?v=LhkiRZ-hd2w
http://youtube.com/watch?v=_qZUpb8Pz9c
http://youtube.com/watch?v=VQEmGC6VK8k

oh and this one:
http://www.youtube.com/watch?v=DLnSphQ88_w

oh and tom baker swearing:
http://www.youtube.com/watch?v=NubVOilRU3E