Dalek - [s1e6]

: Rose Tyler, feeling compassion for the creature, touches its casing. This physical contact allows the Dalek to absorb her DNA and time-travel energy, enabling it to regenerate its broken systems and begin a massacre through the base.

The TARDIS is drawn to an underground museum of alien artifacts in the Utah desert, owned by the ruthless billionaire . Among his collection is a "Metaltron"—a living creature being kept prisoner and tortured for information. [S1E6] Dalek

: Mutated by Rose’s DNA, the Dalek begins to feel human emotions like fear and loneliness. Unable to cope with these "impurities," it ultimately chooses to self-destruct rather than continue existing as a hybrid. : Rose Tyler, feeling compassion for the creature,

The Doctor’s curiosity turns to horror when he enters the darkened cage to find a single, battle-scarred . Believing his entire race and the Daleks were destroyed in the Last Great Time War , the Doctor is forced to confront the sole survivor of his greatest enemy. A New Kind of Threat Among his collection is a "Metaltron"—a living creature

While previous eras of the show often featured Daleks in massive armies, this episode focuses on the terrifying efficiency of just .

The Lone Survivor: A Look Back at " Dalek " (S1E6) First broadcast on , " Dalek " redefined the most iconic villains of Doctor Who for a new generation. Written by Robert Shearman and directed by Joe Ahearne, the episode is widely considered a fan favorite and a turning point for Christopher Eccleston’s Ninth Doctor. The Story: Salt Plains and Space Monsters

: The episode famously flips the script on the Doctor’s morality. Faced with the Dalek, he becomes vengeful and murderous, prompting the Dalek to observe that he would "make a good Dalek".