Round and round we go... Carlotta Wren is still reeling over her parents' return after a ten-year absence. After putting her life on hold for so long, she's not sure how to move forward. Her new reality isn't exactly what she thought it would be, especially considering the altered circumstances of the three men in her life. Until we all fall down... But her best gal pal Hannah is always there to cheer her up, and Hannah has taken up a quirky new sport-roller...

When Phineas and Ferb find out that their grandma used to be a roller derby queen. Soon they discover that Jeremy Johnson's grandma also used to be a skating champ, and they set up a contest to see which granny can roller derby their way to the finish ...

Twelve-year-old Astrid has always done everything with her best friend Nicole. So when Astrid signs up for roller derby camp, the assumes Nicole will too. But Nicole signs up for dance camp with a new friend instead, and so begins the toughest summer of Astrid's life.

Alyssa is an ice skater who prefers to skate alone. She lives in rural Alaska, where a quiet frozen lake is her happy place. But now she's moving to sunny, loud Los Angeles. As the new girl in town, Alyssa isn't sure if she'll ever fit in. When the local roller derby team takes Alyssa under its wing, she's not sure she wants to trade her ice skates and solitude for roller skates and teammates. Alyssa decides to leave her comfort zone. Will she find...

"Recently divorced Tina Durham is trying to be self-sufficent, but her personal-training career is floundering, her closest friends are swept up in new relationships, and her washing machine has just flooded her kitchen. It's enough to make a girl cry. Instead, she calls a plumbing service, and Joanne "Joe Mama" Delario comes to the rescue. Joe is sweet, funny, and good at fixing things. She also sees something special in Tina and invites her to try...