"A Multitude Of Casualties" is the fifth episode of the third season of One Tree Hill and the 50th produced episode of the series. It was broadcasted on November 2, 2005. It's Midnight Madness in Tree Hill as the Ravens officially begin basketball practice - with explosive results. New hoops captain Nathan clashes with Lucas over Haley. Brooke fills a vacancy on the cheerleading squad, only to regret her decision when the new girl, Rachel, sets her sights on Lucas. Meanwhile, Dan's bid for mayor takes a surprising turn when an unlikely opponent steps forward.