This question can't technically be answered since nobody knows exactly how many episodes were literally madebetween Jan 1st 2009 & Dec 31st 2009.
The closest answer that can be given is, there were 117 episodes when the first episode aired in 2009 and 133 episodes by December 13th 2009.
3
304 episodes
there have been 20 episodes in no ordinary family so far
While technically no one can know how many episode were literally made in 2009, 20 new episodes aired in the calendar year.
98, episodes where made.
18 episodes were made and 2 xmas specials
429 at the start of 2009449 by the end of 2009
There have been 753 episodes in Doctor Who.
The first season has 12 episodes.
21
There Were 2 Seasons, for a total of 44 episodes.
The 1974 British animated series had 13 episodes.