S45E01 - Afghan President Hamid Karzai; US General John Allen; Arnold Schwarzenegger

S45E02 - Chinese Telecom Giant Huawei; U.S. Eyeware Company Luxotyica; Singer Rodriguez

S45E03 - The Syrian Civil War; New Program in Texas for War Vets; Daniel Craig & Barbara Broccoli

S45E04 - Medical Marijuana; Goldman Sachs Employee Greg Smith; Steven Spielberg

S45E05 - Jobs & the Economy in Asheboro, NC; Missing American Historical Treasures; Shahid Khan

S45E06 - Partisan U.S. Senate Gridlock; Historian David McCullough; Football Player Aaron Rodgers

S45E07 - Residents of Belle Harbor, NY; Manufacturers Looking for High-Tech Capable Employees; David McCullough

S45E08 - An Immigration & Customs Enforcement Investigation; Infant Morality; College Football Programs

S45E09 - Free The Children; New York City Ballet; Dereck & Beverly Joubert

S45E10 - Claims Against a Hospital Chain; Shin Dong Hyuk; Adventurers Bertrand Piccard & Abdre Borschberg

S45E11 - Individuals Confessing To Crimes They Did Not Commit; The Race to Save the Tortoise; Hugh Jackman

S45E12 - Tragedy in Newton; Costa Concordia; The Vatican Library's treasures

S45E13 - The Year of Adele/Rodriguez/Taylor Swift

S45E14 - Bionic limbs; Danish Spy; Judd Apatow

S45E15 - Internet's Impact on the News and Print Media; David Kelley and his company, IDEO; the Barcelona soccer team's unique training system is spotlighted

S45E16 - March of the Machines; Justice Sotomayor; Free Diving

S45E17 - The President and the Secretary of State; The Fall of Lance Armstrong

S45E18 - Attack in Algeria; 40 Million Mistakes; Lincoln

S45E19 - Israel's Iron Dome; World's Largest Civilian Hospital Ship; Downton Abbey's Maggie Smith

S45E20 - The Life and Death of Clay Hunt; China's Real Estate Mogul; China's Real Estate Bubble

S45E21 - Lethal Medicine; Sheryl Sandberg; God's Architect

S45E22 - Disillusionment Among Nuns in America; Twitter Creator Jack Dorsey; Former Hit Man Says He Has Found God

S45E23 - Crackdown in Russia; Blindsided; The Nile Crocodile

S45E24 - The Pioneer Hotel Fire; The Lost Boys

S45E25 - Parents of Children Killed in the Newtown Massacre on Gun Law; Professional Basketball Player Jeremy Lin

S45E26 - Searching for warlord Joseph Kony; professional baseball player R.A. Dickey discusses his career; culture in the quirky town of Marfa, Texas

S45E27 - The Boston Bombings; Sniffing For Bombs; The 9/11 Museum

S45E28 - Angel of Death; Rosie's Run for the Roses

S45E29 - Counterinsurgency Cops; Robin Hood; Invisible Wounds

S45E30 - The Rescue of Jessica Buchanan; Succeeding As Civilians; Bill Gates 2.0

S45E31 - A Face in the Crowd, Three Generations of Punishment, Michael Jackson

S45E32 - A Long & Dangerous Journey, Lion Kings, Taylor Swift

S45E33 - Bionic Limbs, Missing American Historical Treasures, Maggie Smith

S45E34 - The Cost of Admission, Justice Sotomayor, God's Architect

S45E35 - The Super Cartel, Sticker Shock, Barca

S45E36 - Evidence of Innocence, Crackdown in Russia, Design Thinking

S45E37 - Sheryl Sandberg, David McCullough

S45E38 - Hugh Jackman, Daniel Craig, Lincoln

S45E39 - Angel of Death, The Race to Save the Tortoise

S45E40 - Sniffing for Bombs, The Lost Boys

S45E41 - American Nuns, Bill Gates 2.0, The Baby Lab

S45E42 - Counterinsurgency Cops, Africa Mercy, Marfa, Texas

S45E43 - Lethal Medicine, China's Real Estate Mogul, China's Real Estate Bubble

S45E44 - Morten Storm, Robin Hood, Free Diving

S45E45 - 40 Million Mistakes, A Face in the Crowd, The Nile Crocodile

S45E46 - Costa Concordia, Khan Academy, The Innovator

S45E47 - March of the Machines, The 9/11 Museum, Michael Jackson

S45E48 - Syria, The Briefer, Rocky Mountain High