Super Bowl XII was played on January 15, 1978 at the Louisiana Superdome in New Orleans, Louisiana. The Dallas Cowboys won the game, beating the Denver Broncos 27 to 10.

The game was the first Super Bowl played indoors. It was broadcast on CBS in the United States with Pat Summerall and Tom Brookshier .

Asked after the game what he thought made the difference between the two teams, Denver placekicker Jim Turner replied, "We went in thinking about winning. They went in thinking about football."

Scoring summary

• DAL- Dorsett 3 run (Herrera kick)
• DAL- FG Herrera 35
• DAL- FG Herrera 43
• DEN- FG Turner 47
• DAL- Johnson 45 pass from Staubach (Herrera kick)
• DEN- Lytle 1 run (Turner kick)
• DAL- Richards 29 pass from Newhouse (Herrera kick)