The Wormhole wrote:

Reviewing the episode lengths, the only ones to have gone over 45 minutes:
sniped
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That's all nice, but this the 50th Anniversary, which comes around only once! Also, if they are having more Doctors, wouldn't it be nice if their screen time wasn't quite so rushed? Some of the more elder actors may not be around for many more anniversaries.
I thought the 90 minutes for The Five Doctors was perfect. Why not just do that length?
Mr Awe