This award-winning Canadian documentary, Guardians of the Grasslands, 12:45 min., (English and with French subtitles) explores the current state of one of the world’s most endangered ecosystems and the role cattle play in its survival. Your students can have fun while reviewing and reflecting on the key messages in the documentary and their relevance to Manitoba’s grassland ecosystem, by playing the Manitoba version of the online Guardians of the Grasslands game (English). The teacher guide (E/F) provides pre/post documentary viewing questions, extension activities, and connections to further readings, which will help students explore the key topics of biodiversity, soil health, climate change, land management, and more.