Complex sentence: Linked in seasons with its precursor TV series, "The Apprentice" consists of seasons 1-6 and season 10; thusly, "The Celebrity Apprentice" follows up with seasons 7 onward, except for season 10 which revisited the original.
Split into simpler sentences: Linked in seasons with its precursor, the original show consists of seasons 1-6 and season 10. Thusly, "The Celebrity Apprentice" follows up with seasons 7 onward, except for season 10 which revisited the original.