This edition of HBO's acclaimed series spotlights both Los Angeles NFL teams--the Los Angeles Chargers and the Los Angeles Rams.

[HBO] HD. The NFC champion Los Angeles Rams visit Napa for scrimmages against the Raiders prior to the preseason opener.

The Oakland Raiders face the Seattle Seahawks in their final preseason games before the roster is cut down to 53 players.

America's Team, the Dallas Cowboys, kicks off training camp ahead of the 2021 NFL season.

Quarterback Dak Prescott makes significant progress with his injury rehab; an inter-squad practice against the Rams leads to tension with Rams' superstar Aaron Donald; the Cowboys end their time in Oxnard, California, with a trip to Arizona.

After three weeks in California, Dak Prescott, Ezekiel Elliott and the Cowboys return to the comforts of home. Their homecoming brings a visit from the cross-state Texans for preseason game No. 3.