Leo Jones is a fictional character portrayed by Reggie Yates in the TV series Doctor Who.
In the first episode they appeared in, titled Smith and Jones (season 3), they were 24 years old.
They appear in 4 episodes out of a total of 166 aired
Episodes4
Smith and Jones
episode S3.E1 july 2007When the hospital she works at is transported to the moon, medical student Martha Jones joins forces with The Doctor to hunt down an alien fugitive before the oxygen runs out.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?The Sound of Drums
episode S3.E12 september 2007The Doctor, Martha and Jack return to the 21st Century eighteen months after the Doctor and Martha left. They find they've missed the election, and the new Prime Minister, Harold Saxon, is someone they've met before by another name.Last of the Time Lords
episode S3.E13 october 2007It's been a year since The Master unleashed the mysterious Toclafane onto Earth. With the human race and The Doctor enslaved under The Master's control, Martha Jones is the only person that can help stop the evil Time Lord.
- Smith and Jones
- The Lazarus Experiment
- The Sound of Drums
- Last of the Time Lords