Complex sentence: Brewster had a long run with the show "Criminal Minds", playing multi-lingual Supervisory Special Agent Emily Prentiss until the show's sixth season, when she and A. J. Cook were released from their contracts by CBS in a cost-cutting move.
Split into simpler sentences: Brewster had a long run with the show "Criminal Minds", playing multi-lingual Supervisory Special Agent Emily Prentiss. However, during the show's sixth season she and A. J. Cook were released from their contracts by CBS in a cost-cutting move.