He was there because he was helping his wife, Martha, escape a Sontaran.
She first appeared in 1973 in an episode called The Time Warrior. The Doctor at the time was the third Doctor, played by Jon Pertwee.
He was exposed to a fatal amount of radiation after saving Wilf.
TARDIS in the Doctor Who Series stands for Time And Relative Dimension In Space. The TARDIS was first seen in the first Doctor Who episode in 1963 with William Hartnell as the Doctor. Susan, the Doctor's granddaughter, claimed to have coined the acronym TARDIS from its name in that first episode.
It is called 'The End of Time' which was a two part special, the 10th Doctor's regeneration happening at the end of part 2.
YES; he marries her in an alternate time line that then reverts making the marriage null and void in the episode "The Wedding of River Song".
Sarah Jane Smith first appeared in the Doctor Who episode "The Time Warrior" in 1973.
"The Time of the Doctor", a Christmas special on Dec 25, 2013, was the last full episode with Matt Smith as the Doctor. Matt Smith did a cameo appearance in the new season with Peter Capaldi as the new doctor in the episode "Deep Breath" aired in August 23, 2014.
The series is called "Doctor Who." The Doctor is a Time Lord who travels through time and space in the TARDIS, and Sarah Jane Smith is one of his companions.
Matt Smith first apears in the last episode of season 4, episode 18, "The End of Time (Part 2)" and returns in the first episode of season 5 in "The Eleventh Hour."
Matt Smith debuted as the eleventh Doctor at the end of 'The End of Time Part Two' which aired on January 1, 2010. His first proper episode aired on April 3, 2010.
Yes, the Tenth Doctor, portrayed by David Tennant, regenerated into the Eleventh Doctor, portrayed by Matt Smith, in "The End of Time" episode in 2010.
According to a survey of Doctor Who fans the most popular Doctor Who episode was The End Of Time.
He said so himself on The Graham Norton Show that he saw a place to sign up, signed up for it, and at the time he had never seen an episode of Doctor Who, and went home and watched every single episode, tried out, and got it.
The Master (not the Doctor) sings I can't Decide in the episode The Last of the Time Lords (series 3 episode 13).
The episode before 'Last Of The Time Lords' is 'The Sound Of Drums'.
I don't recall a "new" Doctor Who episode in which a man screams for a long time, but there is a Torchwood episode this happens in. Season 2, episode 11 "Adrift"
There is no definitive information about William Hartnell's favorite episode of Doctor Who. However, it is documented that he was proud of the show and his contribution to it during his time as the First Doctor.