The Doctor's rules

The Doctor's rules were a series of guidelines created by the Doctor for his companions. As Jackson Lake, when he believed himself the Doctor, told his companion, Rosita: "The Doctor's companion does what the Doctor says."

- Jackson Lake

The Second Doctor's rules

 * 001: Don't go wandering off. Stay with me. (TV: The Two Doctors)
 * 002: Let me do the talking. All you have to do is to stand in the background, and admire my diplomatic skills. (TV: The Two Doctors)

The Fourth Doctor's rules

 * 001: Do exactly what I say. (TV: The Ribos Operation)
 * 002: Stick close to me. (TV: The Ribos Operation)
 * 003: Let me do all the talking. (TV: The Ribos Operation)

The Seventh Doctor's rules

 * 001: I'm in charge. (TV: Dragonfire)
 * 002: I'm not the professor, I'm the Doctor. (TV: Dragonfire)
 * 003: "I'll think of that one later". (TV: Dragonfire)

The Ninth Doctor's rules

 * 001: Don't wander off. (TV: The Empty Child)

The Tenth Doctor's rules

 * 001: Don't wander off. (TV: The Girl in the Fireplace)
 * 010: Don't eat anything until you're sure it's totally safe. Unless it's a badly cooked kronkburger - in which case don't eat at all. (PROSE: The Price of Paradise)
 * 408: Time is not the boss of you. (TV: The Waters of Mars)

The Eleventh Doctor's rules

 * 001: Don't wander off. (TV: The Eleventh Hour, The Rebel Flesh, Nightmare in Silver)
 * 001 [alternate]: The Doctor lies. (TV: The Big Bang, Let's Kill Hitler, The Wedding of River Song, The Angels Take Manhattan)
 * 007: Never run when you are scared. (TV: Let's Kill Hitler)
 * 008: Never ignore a coincidence. Unless you're busy, then always ignore a coincidence. (TV: The Pandorica Opens)
 * 027: Never knowingly be serious. (TV: Let's Kill Hitler)
 * 403: Always waste time when you don't have any. (TV: Let's Kill Hitler)
 * 408: Time is not the boss of you. (TV: The Time of Angels, Let's Kill Hitler)

The Twelfth Doctor's rules

 * 001: Use your enemies' power against them. (TV: Flatline)
 * 001 [alternate]: Don't be lasagna. (TV: Into the Dalek)