Complex sentence: It was originally announced that the third season would be the last season of "Tempation", which ended on 30 November, 2007, however, a fourth season has been commissioned and will begin to air in early 2008.
Split into simpler sentences: It was originally announced that the third season would end on 30 November, 2007. However, a fourth season has been commissioned and will begin to air in early 2008.