14. The First Doctor Leaves Behind a Companion
From: "The Dalek Invasion of Earth"
Premiere: November 21, 1964
When it comes to unforgettable images from the original Doctor Who run, few compare with the sight of a Dalek squadron rolling across Westminster Bridge. The year is 2164, and the Daleks have arrived on Earth, where they are converting prisoners into "Robomen" to do their bidding. Throwing in with a ragtag resistance, the Doctor wins the day – and abandons his granddaughter Susan, in hopes that she will enjoy a normal life with freedom fighter David Campbell (Peter Fraser).