Nightshade

"Nightshade" may refer to:

Doctor Who universe

 * Nightshade, a number of science fiction serials from early BBC television. (NA: Nightshade, BBV: The Zero Imperative)
 * Professor Nightshade, the title character portrayed by Edmund Trevithick


 * The plant deadly nightshade, otherwise known as belladonna.

Real world

 * A Doctor Who Virgin New Adventures novel titled "Nightshade," written by Mark Gatiss and featuring the Seventh Doctor and Ace.