Pam O’Neill grew up loving horse racing. There was just one problem — girls weren’t allowed to be jockeys. Pam thought that was ridiculous, so wrote hundreds of letters to racing bosses until she was allowed to become Australia’s first female licensed jockey. Narrated by Olympic swimmer Cate Campbell.

When she was a kid Gabi Hollows needed an operation to fix her crossed eyes. As a grown up she kept fixing eyes — just not her own. So far Gabi has helped more than two million people across the world regain their sight. Narrated by Australian ballet dancer, Ella Havelka.

Susan Alberti loved playing AFL when she was a kid, but had to hang up her footy boots when her dad told her it was too rough to play with the boys. She didn’t think it was fair that girls were relegated to the sidelines. So she made it her mission to start a national Women’s AFL competition and get girls off the bench and onto the field where they belonged. Narrated by journalist, TV and radio presenter and founder of the Carrie’s Beanies 4 Brain Cancer Foundation, Carrie Bickmore.

Surfer Layne Beachley grew up when girls were expected to sit on the beach and mind the boy’s towels. Layne ignored that ridiculous rule and became the best female surfer in the world — seven times! Narrated by Olympic gold medal winning hurdler and World Champion Sally Pearson.

Evonne Goolagong Cawley's first tennis racquet was a broomstick. Her second was a wooden paddle. It didn't hold her back. Evonne became the best tennis player in the world winning 14 grand slams and Wimbledon twice.

Narrated by actor, writer and director Leah Purcell. Archival audio: BBC.

When Lillian Armfield became a police officer in 1915, do you know what her bosses armed her with? A handbag! She caught plenty of crooks with it though. Lillian became Australia’s first female detective and paved the way for thousands of women to follow her into the force. Narrated by comedian, writer and singer Em Rusciano.

Fierce Girls is back for another season next week. All new stories, all new narrators, all still totally fierce.