The Stockton Thunder were a minor league professional ice hockey team that was based in Stockton, California and a member of the ECHL. The Stockton Arena was their home ice, with a capacity of 9,737. The team was an affiliate team of the New York Islanders of the National Hockey League in their final two seasons. The team was purchased by the Calgary Flames and relocated to Glens Falls, New York as the Flames relocated their American Hockey League team to Stockton to become the Stockton Heat.