Original sentence: A three-episode production was commissioned by the digital channel Dave.These episodes were screened in April 2009 during the Easter weekend and comprised a three-part story titled Red Dwarf: Back to Earth, followed by Red Dwarf: the Making of Back to Earth, a behind-the-scenes special from the new episodes
Edited sentence: A new three-episode production was commissioned by the digital channel Dave.These episodes were screened in April 2009 during the Easter weekend and comprised a new three-part story titled Red Dwarf: Back to Earth, followed by Red Dwarf: the Making of Back to Earth, a behind-the-scenes special from the new episodes