Ready to roll? On Saturday, April 12, Philadelphia's Roller Girls think we should watch them take on two teams at the Class of 1923 Arena (3130 Walnut St.).

If you're a big derby fan, you'll have the chance to meet tons of TWCers and let them in on the fun. If you've always wanted to catch a bout but never got a chance, the time is now. And if you've never heard of derby, it's gonna be a wild ride. Or so they tell us. 

They're offering two bouts, an after-party with the derby teams, a chance to participate in a relay, plus prime seats roped off for TWC members. 

The Derby is on! Check back soon for tickets.