The Bears (1-3) took a 13-3 lead into the fourth quarter, but the Lions (3-1) racked up an NFL record 34 points in the final 15 minutes of play at Ford Field.

The final quarter not only included Kitna’s TD passes to Shaun McDonald and Troy Walters, but a 64-yard interception return by Keith Smith and a 41-yard kickoff return by Casey FitzSimmons.

The Bears also cashed in during the fourth with a 97-yard kickoff return by Devin Hester that put Chicago back in the lead 20-17, and a 1-yard TD pass from Brian Griese to Desmond Clark with 52 seconds to play.

Griese completed 34 of 52 passes for 286 yards after being given the starting job over Rex Grossman. He threw a 15-yard TD to Mushin Muhammad in the second quarter to give the Bears a 7-3 lead.

Robbie Gould kicked two field goals for Chicago in the second quarter, while Jason Hanson kicked a 49-yarder for the Lions in the first.