The Lazarus Experiment [SEP] series
The Lazarus Experiment
"The Lazarus Experiment" is the sixth episode of the third series of the revived British science fiction television series "Doctor Who". It was broadcast on BBC One on 5 May 2007 and stars David Tennant as the Tenth Doctor and Freema Agyeman as Martha Jones.
In the episode, Professor Richard Lazarus (Mark Gatiss) demonstrates an experiment at his laboratory near Southwark Cathedral in Southwark where he renews himself into a younger-looking man. The effects on Lazarus' DNA causes him to change into
, the story may be set somewhere between the series three episodes "42" (which follows directly on from Martha's invitation to long-term travel in "The Lazarus Experiment") and "Utopia" (which begins the series finale). However, the Character Bios on the DVD release state that Martha is traveling with the Doctor for one more trip, which seems to set it before "The Lazarus Experiment". The Doctor states in both the first and third segment that the serial takes place in the 40th