User:SOTO/Forum Archive/The Panopticon/@comment-1293767-20151029072618/@comment-5918438-20161214204954
From Tardis Wiki, the free Doctor Who reference
Where's your sources for these "official" two-parters? You say they're indisputable, but many have certainly disputed Utopia being included with the following episodes. It is the only one on your list to have a different director to the others in its supposed multi-part story, for one thing.
