In the story Puss in Boots, the "clever cat" met a giant who could change himself into anything he chose. (PROSE: Inter-Galactic Cat [+]Loading...["Inter-Galactic Cat (short story)"])
Reflecting on his participation in the Time War, the War Doctor mentioned that he never wanted to fight, but had no choice. (WC: He Who Fights With Monsters [+]Loading...["He Who Fights With Monsters (webcast)"])
Within his time stream, the Eleventh Doctor told Clara Oswald that the name one chose was like a promise they made. The "ghost" of the War Doctor told the Eleventh Doctor that he did what he did "without choice, in the name of peace and sanity." The Eleventh Doctor countered "but not in the name of the Doctor." (TV: The Name of the Doctor [+]Loading...["The Name of the Doctor (TV story)"])
When presented with Mr Cleaver's findings concerning the planned Blaidd Drwg nuclear power station, "Margaret Blaine" conceded that it "seem[ed] [she] had no choice" but to stop the project, only to reveal herself as Blon Fel-Fotch Passameer-Day Slitheen and decapitate him shortly after. (TV: Boom Town [+]Loading...["Boom Town (TV story)"])
The Meep planned to destroy London, leaving the Fourteenth Doctor no choice but to jog Donna Noble's memory. (PROSE: The Doctor's Busiest Day [+]Loading...{"page":"8","1":"The Doctor's Busiest Day (short story)"})