Last of the Time Lords
The episode, set during the last scene of the previous episode "Last of the Time Lords", depicts a humorous encounter between the Doctor's fifth and tenth incarnations, played by Davison and Tennant respectively. "Time Crash" was praised by critics who reviewed the episode, and was a ratings success; it was the most-viewed show of the night, and briefly the most-viewed episode of "Doctor Who" since 2005, with 11 million viewers.