Thread:Turtle365/@comment-15395126-20150906033130/@comment-15395126-20150911211437

I like that idea, too! As for my favorite episodes, by series:

Series 1
 * The End of the World
 * Aliens of London / World War Three
 * Dalek
 * Boom Town
 * Bad Wolf / The Parting of the Ways

Series 2
 * Rise of the Cybermen / The Age of Steel
 * The Impossible Planet / The Satan Pit
 * Army of Ghosts / Doomsday

Series 3
 * Daleks in Manhattan / Evolution of the Daleks
 * Utopia / The Sound of Drums / Last of the Time Lords

Series 4
 * Planet of the Ood
 * The Stolen Earth / Journey's End
 * The Next Doctor
 * The End of Time

Series 5
 * The Eleventh Hour
 * Victory of the Daleks
 * The Vampires of Venice
 * The Hungry Earth / Cold Blood
 * The Pandorica Opens / The Big Bang

Series 6
 * The Impossible Astronoaut / Day of the Moon
 * A Good Man Goes to War
 * Let's Kill Hitler
 * The Wedding of River Song

Series 7
 * Asylum of the Daleks
 * The Angels Take Manhattan
 * The Rings of Akhaten
 * Nightmare in Silver
 * The Name of the Doctor
 * The Day of the Doctor
 * The Time of the Doctor

Series 8
 * Deep Breath
 * Into the Dalek
 * Listen
 * Time Heist
 * Kill the Moon
 * Mummy on the Orient Express
 * Dark Water / Death in Heaven

In short, I like big, cinematic episodes (usually resulting in two-parters) with ambitious, "epic" plots.