A necromancer and an Amazon meet for the first time in a campful of soggy homeless Rogues.
Some things are better learned on one's own. This probably isn't one of them.
He may need to invest in a scarecrow. It'd be less work, anyways.
Whatever it is, it's infectious. (Ninth Doctor, Jack Harkness. Spoilers for end of 2005 series' season one, episodes 'Bad Wolf' and 'The Parting of the Ways'.)
The Doctor decides to do something about a situation. (Seventh Doctor, Ace.)
The Doctor regrets a lost chance. (Fourth Doctor & Romana II.)
The Doctor will never make that mistake again. (Fourth Doctor & Romana II.)
The Second Doctor and Jamie have a new friend.
Cats sleep anywhere, any table, any chair... (Fluff. Unspecified Doctor & companion.)
How does he really see his companions? (Unspecified Doctor & companion.)
In between adventures, the Doctor gets some priorities straight. (Unspecified Doctor & companion. Sequel to 'Both sides now'.)
The Doctor has seen this from more than one vantage point. (Unspecified Doctor & companion. Prequel to 'Resisting a rest'.)