Tonight's NFL preseason game on August 17, 2025, is the Buffalo Bills vs. Chicago Bears at 8 p.m. ET. You can watch this game on FOX. Earlier in the day, there is another preseason game, Jacksonville Jaguars vs. New Orleans Saints at 1 p.m. ET, which will be on NFL Network. So, for tonight's evening game, tune in to FOX to watch the Bills vs. Bears preseason matchup. The earlier game is on NFL Network. Both games are also available for streaming on NFL+ or through streaming services like Fubo that carry these channels.