There are currently 19 seasons of the Canadian TV series Heartland. The 19th season began production in May 2025 and is set to premiere in Canada in the fall of 2025. The 18th season, which consists of 10 episodes, aired from October to December 2024. The show has been renewed continuously since its debut in 2007 and is noted as the longest-running one-hour scripted drama in Canadian television history.