The 2008 United Indoor Football season was the fourth and final season of the UIF. For this year, there were 8 teams (4 teams in 2 conferences) playing a 15-game season schedule with all teams playing 14 regular season games from Saturday, March 8 to Saturday, June 14. The winning team was decided in United Bowl IV on Saturday, July 12. For the fourth-straight year, the Sioux Falls Storm became the UIF champion as they beat the Bloomington Extreme.