That would be "The Name of the Doctor".
Just found out it is Lee Williams.
The name of the episode was Smith and Jones. But they are also in Jouneys End == ==
The Master (not the Doctor) sings I can't Decide in the episode The Last of the Time Lords (series 3 episode 13).
The 13th episode in the 4th series of Doctor Who is called 'Journey's End'.
The Tudors were called Tudors because that was their surname. The first Tudor king's name was Henry Tudor.
The only episode I can think of is 'The Keeper of Traken' in 1981, Tom Baker's penultimate story as the Fourth Doctor.
The Christmas Carol episode of Doctor Who was aired in 2010 with Matt Smith as the 11th doctor. The following episode of the series was the Impossible Astronaut.
Season 3, Episode 3: Gridlock
The episode was named 'Voyage of the damned'. It starred David Tennant as the Doctor and guest-starred Kylie Minogue.
The Stolen Earth.
They are called the silurians.