S42E01 - McChrystal/The Liquidator/A Living for the Dead

S42E02 - The Swindler/130 Million Tons of Waste/The Great Migration

S42E03 - Golf Company/A Blow to the Brain/The Birdmen

S42E04 - H1N1/The Kanzius Machine/Drew Barrymore

S42E05 - 60 Billion Dollar Fraud/Fight for a Cure/Tyler Perry

S42E06 - H1N1 Vaccine/Yakuza/The Movie Pirates

S42E07 - Cyber War/Andre Agassi

S42E08 - The Deadliest Weapon/B-Rex/Resurrecting Eden

S42E09 - The Cost of Dying / Witness / Cameron's Avatar

S42E10 - Congo's Gold War / Robert Ballard

S42E11 - The Zone/Personal Foul

S42E12 - President Obama/Growing Body Parts/Ricky Gervais

S42E14 - California Water Drought/Oust al Qaeda/The Birdmen

S42E15 - A Crack In The Swiss Vault/Delay, Deny And Hope That I Die/The Secret Language Of Elephants

S42E16 - Watching The Border/Revelations From The Campaign/Resurrecting The Extinct

S42E17 - Haiti/Football Island/Penelope Cruz

S42E18 - The Quiet Professionals/White Hot/Beyonce

S42E19 - Made In America/Davos/Pigeon Fever

S42E20 - Blackwater 61/Bloom Box/Ground Zero

S42E21 - Stealing America's Secrets/Battle Over History/Kathryn Bigelow

S42E22 - Inside The Collapse/Derek

S42E24 - The Case Against Nada Prouty/The Russian Is Coming/The Sharkman

S42E25 - Who Owns Your Genes?; Death Sentences Survived; Smokeless Cigarettes

S42E26 - Gotti Family Member; Meet the New Missing Link

S42E27 - Con men who promise cures to dying victims; actor Al Pacino discusses his career and upcoming roles.

S42E31 - Conan O'Brien, The All American Canal,, Chef Jose Andres

S42E32 - Homegrown terror, Sec. of State Hillary Clinton, people walking out on their mortgages

S42E33 - Deepwater Horizon disaster, Conductor Gustavo Dudamel

S42E34 - Are They Safe?/The Seed School/Marty's Big Idea

S42E35 - The Deadliest Weapon/Resurrecting the Extinct/Vogue, Anna Wintour

S42E36 - The Swindler/The Case Against Nada Prouty/The Sharkman

S42E37 - Sabotaging the System/The Great Explorer

S42E38 - Assault on Pelindaba/The Liquidator/A Living for the Dead

S42E39 - Blackwater 61/Fight for a Cure/Cameron's Avatar

S42E40 - Into the Wild: The Great Migration/The Secret Language of Elephants/B-Rex

S42E41 - The Lost Children of Haiti/Kathryn Bigelow/White Hot

S42E42 - Golf Company/Penelope Cruz/Guiding Light

S42E43 - The Narrative, Growing body parts, Tyler Perry

S42E44 - Out of the Shadows/Discovery/Derek

S42E45 - The Cost of Dying/The Patriarch/Chef Jose Andres

S42E46 - A Crack in the Swiss Vault/130 Million Tons of Waste/Pacino

S42E47 - The Blowout/The Russian Is Coming

S42E48 - Stealing America's Secrets/The Bloom Box/The Birdmen

S42E49 - 60 Billion Dollar Fraud/The Seed School/Doubles

S42E50 - 21st Century Snake Oil/Beyonce

S42E51 - The Swindler/White House Diary: Jimmy Carter/Football Island