The fifth season of the American television series Bones premiered on September 17, 2009, and concluded on May 20, 2010, on the Fox Network. The show maintained its previous time slot, airing on Thursdays at 8:00 pm ET for the entire season. The season consisted of 22 episodes and averaged 10 million viewers. The season premiered on September 16, 2009, in Canada on Global, airing a day earlier. It premiered on October 8, 2009, in the UK on Sky1, on October 18, 2009, in Australia on the Seven Network and on TV3 in New Zealand.