First Episode: 4031 (22nd August 2005)
Last Episode: 4100 (25th November 2005)

The final change of the season, airing in August 2005, was the fourth to air in as many weeks.

Following the recasting of character Hayley Lawson, actor Rebecca Cartwright was replaced in the opener by Ella Scott Lynch in a very similar shot. The remainder of the sequence remained the same through to the end of the season.