Catch Des Moines’ roller derby team, the Des Moines Derby Dames in exciting, fast-paced, hard-hitting roller derby action against Old Capitol City (Iowa City). Tickets $10 in advance and $14 at the door. Kids 10 and under are always free. Doors open at 6:00pm. General admission seating. Find out more about the Dames at dmderbydames.com.