The Chicago Bears and the Indianapolis Colts clash on Sunday in a big NFL 2016 regular season game for Week 5. The game has a scheduled start time of 1 p.m. ET and takes place from Lucas Oil Stadium in Indianapolis, Indiana. The game can be watched on TV on the Fox network or online through live stream via the link below.

The Bears finally claimed their first win of the season last week, defeating the Detroit Lions 17-14 at Soldier Field. That leaves them on 1-3, but even though they have finally got a win on the board they will know unless they can build on that this week all that good work could be for nothing.

Meanwhile, the Colts' season went from bad to worse last week with another loss against the Jacksonville Jaguars.

Indianapolis were comprehensively outplayed through the first three quarters, and by the time they got to the fourth the game was already over with the Jaguars 23-6 ahead.

A late rally from the Colts almost allowed them steal the win, but even 21 points in the final quarter were unable to save them as they lost 27-30 to fall to 1-3.

Both the Bears and the Colts will know a win is vital in today's game if they are to have any hopes of salvaging this season.

Earlier this week on NFL Thursday Night Football the Arizona Cardinals gained a valuable road win over the San Francisco 49ers.

Both teams entered the clash on 1-3, and both knew that they were facing almost must-win situations to salvage their seasons.

Following a tense first half the teams were level on 7-7, but the second half saw the Cardinals turn the screw and they pulled away to win the encounter 33-21.

The result moved the Cardinals onto a much more respectable 2-3 although they still have a lot more work to do over the coming few weeks to get themselves back into postseason contention. The 49ers meanwhile suffered their fourth defeat of the season in just five weeks and that leaves their season more or less in tatters. It's hard to see how they can turn their season around from here, and already it may be more about re-building for next season than having any realistic chance of making a run for the Playoffs this year.

Arizona managed to claim 17 points from three turnovers by the 49ers in the game, including two interceptions by Blaine Gabbert as well as a a fumble kickoff return by Chris Davis.

49ers coach Chip Kelly said after the game: "I don't think anybody played well on offense. Nobody. I don't think we protected well enough, I don't think we threw it well enough and we had too many drops and two interceptions."

Meanwhile, defensive lineman Calais Campbell said, "We've been saying all week it just starts with one. Just get one win and try to stack them. We've been a team in the past that can rip off a bunch of them. ... Now we have to figure out what we can do to keep that ball rolling."

Week 5 continues today with a big game between the Chicago Bears and the Indianapolis Colts, which has a start time of 1 p.m. ET and can be watched on TV on the Fox network or online through live stream by clicking here.