Season 20

Amy struggles with the arrival of a new “horse whisperer” in Hudson. Lou fears the worst when Jack contemplates retirement. Katie and River’s friendship is put to the test.

Amy promises to teach Lyndy liberty but gets distracted when Nathan's mom makes a surprise visit. Jack takes Nate Sr. on one last ride with Rowdy. Katie agrees to go on a blind date.

Amy works with Lisa's sister, Tammy, and her Standardbred racing horse. Jack introduces Dex to the next step in bull riding. Lou has exciting new plans for the Dude Ranch.

When a publicity stunt goes wrong, Amy puts her feelings aside to support Winn. Lou challenges Katie's boundaries. As Tammy mends a broken heart, Lisa and Jack discover a troubling secret.

Amy helps Georgie to forge an unlikely partnership with a former racehorse. Lou signs up for an endurance race. Dex turns to Jack for guidance when he's offered a life-changing opportunity.

In the aftermath of the endurance race, Lou and Georgie band together to save Amy's life. Katie and River find themselves caught in a difficult situation. Dex makes a decision about his future.

While on the road to recovery, Amy navigates a painful reality. When the Hudson rodeo is cancelled, Lou decides Heartland should host their own rodeo. Jack supports Dex's first official bull ride.

Amy and Winn embark on a risky journey together. Dex enlists Katie's help to plan the perfect date for River. Meanwhile, Jack uncovers the truth about Georgie's sudden return to Heartland.