The 1990 San Francisco 49ers season was the franchise's 41st season in the National Football League (NFL) and their 45th overall. the team entered the 1990 season heavily favored to win their third consecutive Super Bowl. The season was highlighted by their victory over the New York Giants on Monday Night Football in Week 13. Throughout the season, the 49ers and the Giants were the two best teams in the NFL. The two teams would meet again in the NFC Championship Game.