Semi-Final 1 of Robot Wars: The Seventh Wars was the first of two Semi-Finals which determined the Grand Finalists of Robot Wars: The Seventh Wars. The eight competing semi-finalists were paired off in Round 1, with the four victors pairing off in Round 2 to decide which two robots would progress to the Grand Final. The episode featuring Semi-Final 1 was broadcast on February 22, 2004 on Five.