User:SOTO/Forum Archive/The Panopticon/@comment-4028641-20150828141837/@comment-1783865-20151023115527
From Tardis Wiki, the free Doctor Who reference
I say it's only a multiple Doctor story if the actor himself shows up, meaning flashbacks/projections/echoes don't count. (one exception being Eleven phoning Clara in The Time of the Doctor/Deep Breath)
