Shipwrecked: Battle of the Islands 2009 is a United Kingdom reality television series, part of the Shipwrecked strand which has aired on Channel 4's youth programming label T4 in different formats since 2000. The 2009 series is the seventh series of Shipwrecked overall, and the fourth and final to adopt the "Battle of the Islands" format. The Series was recommissioned by Channel 4 on Thursday 26 June 2008. Castaway auditions took place during the summer and filming for the series commenced in September 2008 and finished in early November 2008. It began airing on Sunday 1 February 2009 at 12:30pm on Channel 4. This is the final series of Shipwrecked: Battle of the Islands, and the penultimate series overall.