Watchers Season Five contained 24 episodes that ran from September 2007 - October 2008.

The Council merges with another supernatural firm to give them the ultimate advantage against evil. The members of the council move from young adults to full-fledged adulthood in various ways. For Willow it's when Rowena gives birth to the future generation of Watchers Council in more ways than one. In the meantime, the team battles an untouchable foe who has no will of their own.