Complex sentence: Corbett left the series at the end of the fourth season over a salary dispute, though Corbett herself was not looking for more money: the dispute was between the show's producers and Universal, who owned Corbett's contract as a contract player.
Split into simpler sentences: Corbett left the series at the end of the fourth season over a salary dispute, though Corbett herself was not looking for more money. The dispute was between the show's producers and Universal, who owned Corbett's contract as a contract player.