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 Next Doctor [src]]}

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)
001 [alternate]: There is always a plan. (COMIC: First Rule)
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)