Danny Boy is a fictional character portrayed by Mark Gatiss in the TV series Doctor Who.
In the first episode they appeared in, titled The Lazarus Experiment (season 3), they were 40 years old.
They appear in 5 episodes out of a total of 166 aired
Episodes5
The Lazarus Experiment
episode S3.E6 august 2007The famous Dr Lazarus has appeared to discover the secret of eternal youth - but do his experiments hide a sinister secret?Victory of the Daleks
episode S5.E3 may 2010The TARDIS takes The Doctor and Amy to war-torn Britain in the middle of World War Two. Not only do they meet Winston Churchill himself, but the Doctor comes face to face once again with his greatest enemy of all.A Good Man Goes to War
episode S6.E7 june 2011A member of The Doctor's team has been abducted and he will call in every favor and maybe even go to war to get them back.The Wedding of River Song
episode S6.E13 october 2011April 22nd, 2011; 5:02pm. Having finally accepted his fate the Doctor travels to Lake Silencio for his final day. But one woman refuses to let time take its course.Twice Upon a Time
episode S11.E0 december 2017The Twelfth Doctor, still refusing to change, goes on a last adventure with the First Doctor.
- The Lazarus Experiment
- Victory of the Daleks
- A Good Man Goes to War
- The Wedding of River Song
- Twice Upon a Time