Dodo's life after she left the Doctor was not dealt with in the programme. The spin-off novel "Who Killed Kennedy" by David Bishop reveals that Dodo suffered a nervous breakdown and was unable to remember her adventures with the Doctor, drifting in and out of psychiatric institutions. Becoming involved with a journalist who was investigating the truth behind UNIT, Dodo is murdered by a pawn of the Master. Her funeral is attended only by her lover James Stevens and an unidentified man who, based on the limited description provided, may be either the Second or Seventh Doctor. However, in the 20th-anniversary version of the novel, a new timeline is created where the assassin is stopped by her lover when he travels back in time from the future after an intervention by the Doctor, implied to be the Twelfth such incarnation. James Stevens passes away in 2015, by which time Dodo is also deceased. However, the canonicity of the novels in relation to the television series is open to question. She is revealed to be alive and well in the 2020 "The Sarah Jane Adventures" audio special "Goodbye Sarah Jane Smith", where she attends Sarah Jane's funeral and helps defeat a race of aliens who have infiltrated the service. Although it's possible that a number of events in "Kennedy" are canon, Dodo's supposed death prior to James' appears to be false.