Only the Loan-ly / Roll Reversal

Only the Loan-ly: Kick needs money to buy an awesome bike engine and convinces Brianna to let him borrow the money. When he can't pay it back in time, Brianna, with the help of her friends Madison and Abbie, becomes a loan shark and pushes her brother to make good on his promise. 
Roll Reversal: When Kendall inadvertently outdoes Kick at a Motocross stunt and claims to be "Mellowbrook's Top Daredevil", she is challenged to a rematch by Kick. Kendall agrees to only participate in an all-girl Roller Derby, so Kick and his friends must put on disguises in order to compete.