In order: Susan Foreman, Ian Chesterton, Barbara Wright, Vicki, Stephen Taylor, Dorothea "Dodo" Chaplet, Ben Jackson, Polly, Jamie Macrimmon, Victoria Waterfield, Zoe Herriot, Elizabeth Shaw, Josephine "Jo" Grant, Sarah Jane Smith, Dr. Harry Sullivan, Leela, K-9, The Lady Romanadvoratrelundar ("Romana"), Adric, Nyssa, Tegan Jovanka, Turlough, Perpegillium "Peri" Brown, Melanie Bush, Dorothy "Ace", Rose Tyler, Dr. Martha Jones, Donna Noble, Amy Pond.
One-off companions who didn't last more than one show include Katarina, Sara Kingdom, Dr. Grace Holloway, Astrid Peth, and Lady Christina de Souza. The companion Kamelion appears in two shows, not successively.
There are also recurring characters who are not quite companions, such as Brigadier Lethbridge Stewart and the UNIT members with Doctor 3 and 4 particularly. The new series has a number of non-companion or quasi-companion recurring characters, of whom Capt. Jack Harkness comes closest to being a companion.
The Companions of Doctor Who was created in 1986.
They have all had multiple companions, apart from the eighth Doctor in the Doctor Who movie.
the most popular doctor who companions are Amelia Pond, Clara Oswald, and Rose Tyler
The sixth Doctor's companions were Peri Brown and Melanie Bush.
The Doctor has had 29 different companions since the program's launch in 1963. There are also many other characters who may or may not be classed as 'full-time' companions.
he goes into a Radiation chamber or something to save donnas Grandad and dies... after that he goes and visits all his companions
Rose Jack Martha and Donna
The Doctor's companions in 2011 will be Amy and Rory.
The eleventh Doctor will star in The Sarah Jane Adventures along with the third Doctor's companion Jo Grant, apart from that there are no plans to bring any former companions back to Doctor Who.
The fifth Doctor (Peter Davison) traveled with three companions at once, Tegan, Nyssa and Adric from Castrovalva through to Earthshock.
i almost cried. i did cry however when Billie Piper left.
It depends. If you count the first two K9s as two separate companions, then the first and fourth Doctors tie for 9 companions each (not counting characters who were only traveling with the Doctor for one story). Otherwise, it's the First Doctor.