Complex sentence: Sky One re-enacted the full opening sequence of the show in live action, the second time they had done so, the first in September 2000 as part of a night celebrating the 10th anniversary of the show premiering in the UK.
Split into simpler sentences: Sky One re-enacted the full opening sequence of the show in live action. It was the the second time they had done so, the first being in September 2000 as part of a night celebrating the 10th anniversary of the show premiering in the UK.