1.13 ''Doomsday.'' We love the cool design. Plus it's the episode with tons of Cybermen and Daleks. But it's also the episode where Rose (Billie Piper) is left behind in parallel universe and millions of viewers shed buckets of tears.
3.10 ''Blink.'' One of the best episodes ever. We also love the design of the poster with the Weeping Angels surrounding the TARDIS and Sally Sparrow (Carey Mulligan), the best companion that never really was.
5.04 ''The Time of Angels.'' It marks the return of River Song (Alex Kingston), and the poster has ''Hello Sweetie'' etched in Gallifeyan. Just awesome. You can actually display it proudly on your wall as a welcome to the special Time Lord or Time Lady in your life.