No, David Tennant plays the Doctor in that episode. Matt Smith isn't in it.
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."
125,000 an episode. I think.
"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.
Episode 32 for about a second and episode 35.
The following is not much of a spoiler, since it was already announced quite a while ago... The Christmas 2013 episode is the last episode in which Matt Smith regularly appears. In this episode, the Doctor regenerates, and the next doctor, acted by Peter Capaldi, takes over.
The first episode of series 5 is called The Eleventh Hour.
Series 5 (Matt Smith's first Episode)
No, Rose is not coming back.
The Time of Angels/Flesh and Stone.
David Tennant meets Sarah Jane: Series Three, Episode; "The wedding of Sarah Jane Smith." Matt Smith meets Sarah Jane: Series 4 episode; "The Death Of The Doctor."
No one shot Matt Smith -- Matt Smith has never been shot.