Adolescents and young adults (AYAs) with cancer have many needs for supportive care that differ from younger and older patients. This includes age-appropriate psychological support for management of distress, as well as supports for the social isolation many AYAs experience. One exciting intervention that may provide AYAs with cancer improved psychosocial support, as well as increased physical strength, is physical activity. This feasibility project aims to evaluate the safety, feasibility and acceptability of a physical activity training in AYAs with cancer delivered via a socially interactive videoconferencing platform.