The Chicago Bears and San Francisco 49ers take the field for NFL Sunday Night Football tonight in Week 17. SNF start time, TV schedule and how to watch.

The Chicago Bears, led by quarterback Caleb Williams, face the San Francisco 49ers, led by quarterback Brock Purdy, on Sunday, Dec. 21, 2025 at Levi’s Stadium in Santa Clara, Calif.

Brock Purdy threw for 303 yards and three touchdowns as San Francisco is now one win away from earning the NFC's top seed.

Simply, Chicago and San Francisco are two of the best teams in the land. They proved as much on Sunday night, combining to craft the league's best game thus far. The 49ers notched a 42-38 win over their in-conference rival, with Brock Purdy coming to life for the second-straight week.

The NFL season rolls on Week 17 when the San Francisco 49ers host the Chicago Bears on Sunday Night Football. Time, how to watch, stream and schedule.

If you don’t have cable, you’ll need a live TV streaming service to stream the Bears vs. 49ers game on Sunday Night Football for free. One option we love is DIRECTV, which comes with five days free and starts at $49.99/month, with plenty of subscription options and genre packs that include NBC.