Falcons to be featured on HBO's 'Hard Knocks'
HBO Hard Knocks 2013: Bengals set to announce appearance, per report
Bengals in for 2013's 'Hard Knocks'; season starts Aug. 6
When 'Hard Knocks' comes calling: What Lions, Cardinals should expect - The Athletic
2013 Cincinnati Bengals season - Wikipedia
NFL owners pass 'Hard Knocks' measure to add teams
Bengals to make second appearance on HBO's Hard Knocks
Hard Knocks: Training Camp With the Cincinnati Bengals - Rotten Tomatoes
Cincinnati Bengals will be featured on HBO's Hard Knocks
HBO HARD KNOCKS set to feature the Los Angeles Chargers