Frontline: Season 21
Season 21 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Frontline Season 20.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 21 Progress Shield
Faith and Doubt at Ground Zero
Sep 3, 2002 · 114 min
For many Americans, the most difficult questions about 9/11 were not about politics, military strategy or homeland security. They were questions about God, about evil and about the
The Man Who Knew
Oct 3, 2002 · 86 min
When the Twin Towers fell on September 11, 2001, among the thousands killed was the one man who may have known more about Osama bin Laden and Al Qaeda than any other person in Amer
In Search of Al Qaeda
Nov 21, 2002 · 55 min
In December 2001, as American forces blasted mountain hideouts in the Tora Bora region of Afghanistan, hundreds of Al Qaeda soldiers fled seemingly disappearing into thin air. In t
A Dangerous Business
Jan 9, 2003
Each year, six thousand Americans lose their lives on the job. Tens of thousands more are seriously injured or exposed to deadly poisons and carcinogens in the workplace. Yet if on
The Other Drug War
Jun 19, 2003 · 55 min
Through interviews with consumers, legislators, scientists, top industry leaders and analysts, "The Other Drug War" examines the efforts of states like Maine and Oregon to control