Travelling companion

You may be looking for the Doctor's travelling companions, most often known simply as "companions".

Bernice Summerfield identified the Unbound Doctor and herself as travelling companions after returning to N-Space, rather than necessarily friends, (AUDIO: Dead and Breakfast ^[+]Loading...["Dead and Breakfast (audio story)"]) despite previous claims to friendship by both parties, despite trouble in the relationship. (AUDIO: The City and the Clock ^[+]Loading...["The City and the Clock (audio story)"], Asking for a Friend ^[+]Loading...["Asking for a Friend (audio story)"])

The Tremas Master introduced Peri Brown to the Rani as the Sixth Doctor's latest travelling companion, "although her travelling days will soon be over." (TV: The Mark of the Rani ^[+]Loading...["The Mark of the Rani (TV story)"])