The Summit Series, Super Series 72, Canada–USSR Series, or Series of the Century, was an eight-game ice hockey series between the Soviet Union and Canada, held in September 1972. It was the first competition between the Soviet national team and a Canadian team represented by professional players of the National Hockey League (NHL), known as Team Canada. It was the first international ice hockey competition for Canada after they had withdrawn from such competitions in a dispute with the International Ice Hockey Federation (IIHF). The series was organized with the intention to create a true best-against-best competition in the sport of ice hockey. The Soviets had become the dominant team in international competitions, in which the Canadian professionals were ineligible to play. Canada had had a long history of dominance of the sport prior to the Soviets' rise.

Ice hockey is a team sport played on ice skates, usually on an ice skating rink with lines and markings specific to the sport. It belongs to a family of sports called hockey. In ice hockey, two opposing teams use ice hockey sticks to control, advance, and shoot a closed, vulcanized, rubber disc called a "puck" into the other team's goal. Each goal is worth one point. The team which scores the most goals is declared the winner. In a formal game, each team has six skaters on the ice at a time, barring any penalties, one of whom is the goaltender. Ice hockey is a full contact sport, and is considered to be one of the more physically demanding team sports. It is distinct from field hockey, in which players move a ball around a non-frozen pitch using field hockey sticks.