A child is not a weapon!
The Doctor + chess
TARDIS interiors - the wardrobe
TARDIS interiors - the Seventh and Eighth Doctor’s console room
(*actual planet name debatable)
“You ain’t seen nothing yet.”
Companions Who Never Were - Rachel “Ray” Defwydd
(Ray actually did almost became a companion — she was originally created as a possible replacement for Mel. Sophie Aldred also auditioned for the part, but was cast as Ace.)