It saved his life on Midnight by proving that the being possessing Sky Silvestry had stolen his words. (TV: Midnight) The Tenth Doctor yelled the phrase as he, along with twelve other incarnations, combined the power of their TARDISes to use a stasis cube to freeze Gallifrey in a pocket universe. (TV: The Day of the Doctor) The last time the Doctor used the phrase, he described it to Addams as a word of consolation to the soul in times of need. (TV: The End of Time) Mr Clever once used it when mimicking the Tenth Doctor through the Eleventh Doctor's body. (TV: Nightmare in Silver)