S08E25: October 3, 2021: PFAS
John Oliver discusses PFAS - a class of chemicals linked to an array of health issues - and why their widespread use isn't as magical as it may seem.
Previous Episode 
Season 1
POM Wonderful v. Coca-Cola
S1E1 / 27 Apr 2014
Capital Punishment
S1E2 / 04 May 2014
Climate Change Denial
S1E3 / 11 May 2014
The Right to Be Forgotten
S1E4 / 18 May 2014
Net Neutrality
S1E5 / 01 Jun 2014
FIFA and the World Cup
S1E6 / 08 Jun 2014
Immigration Reform
S1E7 / 15 Jun 2014
Dr. Oz
S1E8 / 22 Jun 2014
Burwell v. Hobby Lobby
S1E9 / 29 Jun 2014
Income and Wealth Inequality
S1E10 / 13 Jul 2014
Incarceration in the United States
S1E11 / 20 Jul 2014
Nuclear Weapons and the United States
S1E12 / 27 Jul 2014
Native Advertising
S1E13 / 03 Aug 2014
Payday Loans
S1E14 / 10 Aug 2014
Shooting of Michael Brown and Police Militarization
S1E15 / 17 Aug 2014
Student Debt
S1E16 / 07 Sep 2014
Scottish Independence Referendum
S1E17 / 14 Sep 2014
United States Embargo Against Cuba, Miss America 2015
S1E18 / 21 Sep 2014
Drones
S1E19 / 28 Sep 2014
Civil Forfeiture
S1E20 / 05 Oct 2014
Military Translators
S1E21 / 19 Oct 2014
Sugar
S1E22 / 26 Oct 2014
State Legislatures and ALEC
S1E23 / 02 Nov 2014
The Lottery
S1E24 / 09 Nov 2014
Season 2
Marketing to Doctors
S2E1 / 08 Feb 2015
Tobacco
S2E2 / 15 Feb 2015
Elected Judges
S2E3 / 22 Feb 2015
Infrastructure
S2E4 / 01 Mar 2015
U.S. Territories
S2E5 / 08 Mar 2015
The NCAA
S2E6 / 15 Mar 2015
Municipal Violations
S2E7 / 22 Mar 2015
Government Surveillance
S2E8 / 05 Apr 2015
The IRS
S2E9 / 12 Apr 2015
Patents
S2E10 / 19 Apr 2015
Fashion
S2E11 / 26 Apr 2015
Standardized Testing
S2E12 / 03 May 2015
Paid Family Leave
S2E13 / 10 May 2015
Chickens
S2E14 / 17 May 2015
FIFA II
S2E15 / 31 May 2015
Bail
S2E16 / 07 Jun 2015
Torture
S2E17 / 14 Jun 2015
The Internet
S2E18 / 21 Jun 2015
Transgender Rights
S2E19 / 28 Jun 2015
Stadiums
S2E20 / 12 Jul 2015
Food Waste
S2E21 / 19 Jul 2015
Mandatory Minimum Sentencing Laws
S2E22 / 26 Jul 2015
District of Columbia
S2E23 / 02 Aug 2015
Sex Education
S2E24 / 09 Aug 2015
Church
S2E25 / 16 Aug 2015
LGBT Discrimination
S2E26 / 23 Aug 2015
Public Defenders
S2E27 / 13 Sep 2015
Migrants and Refugees
S2E28 / 27 Sep 2015
Mental Health
S2E29 / 04 Oct 2015
North Dakota
S2E30 / 11 Oct 2015
Canada
S2E31 / 18 Oct 2015
Medicaid Gap
S2E32 / 01 Nov 2015
Prisoner Re-entry
S2E33 / 08 Nov 2015
Daily Fantasy Sports
S2E34 / 15 Nov 2015
Refugees & Pennies
S2E35 / 22 Nov 2015
Season 3
Voting
S3E1 / 14 Feb 2016
Abortion Laws
S3E2 / 21 Feb 2016
Donald Trump
S3E3 / 28 Feb 2016
Special Districts
S3E4 / 06 Mar 2016
Encryption
S3E5 / 13 Mar 2016
Border Wall
S3E6 / 20 Mar 2016
Congressional Fundraising
S3E7 / 03 Apr 2016
Credit Reports
S3E8 / 10 Apr 2016
Lead
S3E9 / 17 Apr 2016
Puerto Rico
S3E10 / 24 Apr 2016
Scientific Studies
S3E11 / 08 May 2016
911
S3E12 / 15 May 2016
Primaries and Caucuses
S3E13 / 22 May 2016
Debt Buyers
S3E14 / 05 Jun 2016
Retirement Plans
S3E15 / 12 Jun 2016
Brexit
S3E16 / 19 Jun 2016
Doping
S3E17 / 26 Jun 2016Republican National Convention
S3E18 / 24 Jul 2016
Democratic National Convention
S3E19 / 31 Jul 2016
Journalism
S3E20 / 07 Aug 2016
Auto Lending
S3E21 / 14 Aug 2016
Charter Schools
S3E22 / 21 Aug 2016
Scandals
S3E23 / 25 Sep 2016
Police Accountability
S3E24 / 02 Oct 2016
Guantánamo
S3E25 / 09 Oct 2016
Third Parties
S3E26 / 16 Oct 2016
Opioids
S3E27 / 23 Oct 2016
School Segregation
S3E28 / 30 Oct 2016
Multilevel Marketing
S3E29 / 06 Nov 2016
President-Elect Trump
S3E30 / 13 Nov 2016
Season 4
Trump vs. Truth
S4E1 / 12 Feb 2017
Putin
S4E2 / 19 Feb 2017
Obamacare
S4E3 / 26 Feb 2017
Dalai Lama
S4E4 / 05 Mar 2017
American Health Care Act
S4E5 / 12 Mar 2017
Federal Budget
S4E6 / 19 Mar 2017
Marijuana
S4E7 / 02 Apr 2017
Gerrymandering
S4E8 / 09 Apr 2017
French Elections
S4E9 / 16 Apr 2017
Ivanka & Jared
S4E10 / 23 Apr 2017
Net Neutrality II
S4E11 / 07 May 2017
Dialysis
S4E12 / 14 May 2017
Stupid Watergate
S4E13 / 21 May 2017
Paris Agreement
S4E14 / 04 Jun 2017
Brexit II
S4E15 / 11 Jun 2017
Coal
S4E16 / 18 Jun 2017
Vaccines
S4E17 / 25 Jun 2017
Sinclair Broadcast Group
S4E18 / 02 Jul 2017
Alex Jones
S4E19 / 30 Jul 2017
Border Patrol
S4E20 / 06 Aug 2017
North Korea
S4E21 / 13 Aug 2017
Nuclear Waste
S4E22 / 20 Aug 2017
Joe Arpaio
S4E23 / 10 Sep 2017
Corporate Consolidation
S4E24 / 24 Sep 2017
Forensic Science
S4E25 / 01 Oct 2017
Confederacy
S4E26 / 08 Oct 2017
Equifax
S4E27 / 15 Oct 2017
Floods
S4E28 / 29 Oct 2017
Economic Development
S4E29 / 05 Nov 2017
The Trump Presidency
S4E30 / 12 Nov 2017
Season 5
Trump vs. The World
S5E1 / 18 Feb 2018
Italian Election
S5E2 / 25 Feb 2018
NRA TV
S5E3 / 04 Mar 2018
Cryptocurrencies
S5E4 / 11 Mar 2018
Mike Pence
S5E5 / 18 Mar 2018
Immigration Courts
S5E6 / 01 Apr 2018
Crisis Pregnancy Centers
S5E7 / 08 Apr 2018
Corporate Taxes
S5E8 / 15 Apr 2018
Iran Deal
S5E9 / 22 Apr 2018
Rudy Giuliani
S5E10 / 06 May 2018
Venezuela
S5E11 / 13 May 2018
Drug Rehabilitation Clinics
S5E12 / 20 May 2018
Guardianship
S5E13 / 03 Jun 2018
Stupid Watergate II
S5E14 / 10 Jun 2018
Xi Jinping
S5E15 / 17 Jun 2018
Mexican Elections
S5E16 / 24 Jun 2018
Gene Editing
S5E17 / 01 Jul 2018
Workplace Sexual Harassment
S5E18 / 29 Jul 2018
Prosecutors
S5E19 / 05 Aug 2018
Astroturfing
S5E20 / 12 Aug 2018
Trade
S5E21 / 19 Aug 2018
Felony Disenfranchisement
S5E22 / 09 Sep 2018
Facebook
S5E23 / 23 Sep 2018
Brett Kavanaugh
S5E24 / 30 Sep 2018
Brazilian Elections
S5E25 / 07 Oct 2018
Saudi Arabia
S5E26 / 14 Oct 2018
State Attorneys General
S5E27 / 28 Oct 2018
Family Separation
S5E28 / 04 Nov 2018
Drain the Swamp
S5E29 / 11 Nov 2018
Authoritarianism
S5E30 / 18 Nov 2018
Season 6
Brexit III
S6E1 / 17 Feb 2019
Psychics
S6E2 / 24 Feb 2019
Automation
S6E3 / 03 Mar 2019
Robocalls
S6E4 / 10 Mar 2019
Public Shaming
S6E5 / 17 Mar 2019
WWE
S6E6 / 31 Mar 2019
Mobile Homes
S6E7 / 07 Apr 2019
Opioids II
S6E8 / 14 Apr 2019
Mueller Report
S6E9 / 21 Apr 2019
Lethal Injections
S6E10 / 05 May 2019
Green New Deal
S6E11 / 12 May 2019
Death Investigations
S6E12 / 19 May 2019
Medical Devices
S6E13 / 02 Jun 2019
Equal Rights Amendment
S6E14 / 09 Jun 2019
Impeachment
S6E15 / 16 Jun 2019
Everest
S6E16 / 23 Jun 2019
Warehouses
S6E17 / 30 Jun 2019
Boris Johnson
S6E18 / 28 Jul 2019
Prison Labor
S6E19 / 04 Aug 2019
Gurbanguly Berdimuhamedov
S6E20 / 11 Aug 2019
Bias in Medicine
S6E21 / 18 Aug 2019
Filibuster
S6E22 / 08 Sep 2019
Legal Immigration
S6E23 / 15 Sep 2019
Compounding Pharmacies
S6E24 / 29 Sep 2019
One Child Policy
S6E25 / 06 Oct 2019
Weather
S6E26 / 13 Oct 2019
Trump & Syria
S6E27 / 27 Oct 2019
Voting Machines
S6E28 / 03 Nov 2019
SLAPP Suits
S6E29 / 10 Nov 2019
The Census
S6E30 / 17 Nov 2019
Season 7
Medicare for All
S7E1 / 16 Feb 2020
Modi
S7E2 / 23 Feb 2020
Coronavirus
S7E3 / 01 Mar 2020
Sheriffs
S7E4 / 08 Mar 2020
Coronavirus II
S7E5 / 15 Mar 2020
Coronavirus III
S7E6 / 29 Mar 2020
One America News Network
S7E7 / 05 Apr 2020
Essential Workers
S7E8 / 12 Apr 2020
Coronavirus Misinformation
S7E9 / 19 Apr 2020
COVID-19 Testing
S7E10 / 03 May 2020
United States Postal Service
S7E11 / 10 May 2020
Coronavirus Impact on Sports
S7E12 / 17 May 2020
Postal Voting
S7E13 / 31 May 2020
Police
S7E14 / 07 Jun 2020
Facial Recognition
S7E15 / 14 Jun 2020
Prisons & Jails
S7E16 / 21 Jun 2020
Coronavirus IX: Evictions
S7E17 / 28 Jun 2020
Conspiracy Theories
S7E18 / 19 Jul 2020
Uighurs
S7E19 / 26 Jul 2020
U.S. History
S7E20 / 02 Aug 2020
Juries
S7E21 / 16 Aug 2020
Border Wall
S7E22 / 23 Aug 2020
RNC 2020 & Kenosha
S7E23 / 30 Aug 2020
Supreme Court
S7E24 / 27 Sep 2020
Election 2020
S7E25 / 04 Oct 2020
The World Health Organization
S7E26 / 18 Oct 2020
Asylum
S7E27 / 25 Oct 2020
Trump & the Coronavirus and William Barr
S7E28 / 01 Nov 2020
Election Results 2020
S7E29 / 08 Nov 2020
Trump & Election Results
S7E30 / 15 Nov 2020
Season 8
Episode 210: The Next Pandemic
S8E1 / 14 Feb 2021
Episode 211: Meatpacking
S8E2 / 21 Feb 2021
Episode 212: Raids
S8E3 / 28 Feb 2021
Episode 213: Unemployment
S8E4 / 07 Mar 2021
Episode 214: Tucker Carlson
S8E5 / 14 Mar 2021
Episode 215: Plastics
S8E6 / 21 Mar 2021
Episode 216: The National Debt
S8E7 / 04 Apr 2021
Episode 217: Long-Term Care
S8E8 / 11 Apr 2021
Episode 218: Bankruptcy
S8E9 / 18 Apr 2021
Episode 219: Vaccine
S8E10 / 02 May 2021
Episode 220: Hair
S8E11 / 09 May 2021
Episode 221: Stand Your Ground
S8E12 / 16 May 2021
Episode 222: Sponcon
S8E13 / 23 May 2021
Episode 223: Asian Americans
S8E14 / 06 Jun 2021
Episode 224: Prison Heat
S8E15 / 13 Jun 2021
Episode 225: PACE
S8E16 / 20 Jun 2021
Episode 226: Health Care Sharing Ministries
S8E17 / 27 Jun 2021
Episode 227: Housing Discrimination
S8E18 / 25 Jul 2021
Episode 228: Emergency Medical Services
S8E19 / 01 Aug 2021
Episode 229: Opioids III – The Sacklers
S8E20 / 08 Aug 2021
Episode 230: Ransomware
S8E21 / 15 Aug 2021
August 22, 2021: Afghanistan
S8E22 / 22 Aug 2021
September 12, 2021: Lukashenko
S8E23 / 12 Sep 2021
September 26, 2021: Voting Rights
S8E24 / 26 Sep 2021
October 3, 2021: PFAS
S8E25 / 03 Oct 2021
Episode 235
S8E26 / 10 Oct 2021
Episode 236
S8E27 / 24 Oct 2021
Episode 237
S8E28 / 31 Oct 2021
Episode 238
S8E29 / 07 Nov 2021
Episode 239
S8E30 / 14 Nov 2021
Season 9
February 20, 2022: Critical Race Theory
S9E1 / 20 Feb 2022
February 27, 2022: Sex Work
S9E2 / 27 Feb 2022
March 6, 2022: Wrongful Convictions
S9E3 / 06 Mar 2022
March 13, 2022: Tickets
S9E4 / 13 Mar 2022
March 27, 2022: Harm Reduction
S9E5 / 27 Mar 2022
April 3, 2022: Trucks
S9E6 / 03 Apr 2022
April 10, 2022: Data Brokers
S9E7 / 10 Apr 2022
April 17, 2022: Police Interrogations
S9E8 / 17 Apr 2022
May 1, 2022: Environmental Racism
S9E9 / 01 May 2022
May 8, 2022: Abortion Ruling/Philippines Election
S9E10 / 08 May 2022
May 15, 2022: Utilities
S9E11 / 15 May 2022
May 22, 2022: Subway
S9E12 / 22 May 2022
June 5, 2022: School Police
S9E13 / 05 Jun 2022
June 12, 2022: Tech Monopolies
S9E14 / 12 Jun 2022
June 19, 2022: Rent
S9E15 / 19 Jun 2022
June 26, 2022: Water
S9E16 / 26 Jun 2022
July 24, 2022: Inflation
S9E17 / 24 Jul 2022
July 31, 2022: Mental Health Care
S9E18 / 31 Jul 2022
August 7, 2022: Monkeypox
S9E19 / 07 Aug 2022
August 14, 2022: Afghanistan
S9E20 / 14 Aug 2022
August 21, 2022: Carbon Offsets
S9E21 / 21 Aug 2022
September 11, 2022: Law & Order
S9E22 / 11 Sep 2022
September 25, 2022: Bolsonaro
S9E23 / 25 Sep 2022
October 2, 2022: Museums
S9E24 / 02 Oct 2022
October 9, 2022: Crime Reporting
S9E25 / 09 Oct 2022
October 16, 2022: Transgender Rights II
S9E26 / 16 Oct 2022
October 30, 2022: Bail Reform
S9E27 / 30 Oct 2022
November 6, 2022: Election Subversion
S9E28 / 06 Nov 2022
November 13, 2022: The Monarchy
S9E29 / 13 Nov 2022
November 20, 2022: Qatar World Cup
S9E30 / 20 Nov 2022
Season 10
February 19, 2023: Psychedelic Assisted Therapy
S10E1 / 19 Feb 2023
February 26, 2023: Artificial Intelligence
S10E2 / 26 Feb 2023
March 5, 2023: Ron DeSantis
S10E3 / 05 Mar 2023
March 12, 2023: TANF
S10E4 / 12 Mar 2023
March 19, 2023: Timeshares
S10E5 / 19 Mar 2023
April 2, 2023: Solitary Confinement
S10E6 / 02 Apr 2023
April 9, 2023: Homeowners Associations
S10E7 / 09 Apr 2023
April 16, 2023: Farmworkers
S10E8 / 16 Apr 2023
April 23, 2023: Cryptocurrencies II
S10E9 / 23 Apr 2023
April 30, 2023: Biden and the Border
S10E10 / 30 Apr 2023
October 1, 2023: Prison Health Care
S10E11 / 01 Oct 2023
October 8, 2023: Homeschooling
S10E12 / 08 Oct 2023
October 15, 2023: Food Safety
S10E13 / 15 Oct 2023
October 22, 2023: McKinsey
S10E14 / 22 Oct 2023
October 29, 2023: Chocolate
S10E15 / 29 Oct 2023
November 5, 2023: Abortion Rights
S10E16 / 05 Nov 2023
November 12, 2023: Israel-Hamas War
S10E17 / 12 Nov 2023
November 19, 2023: Dollar Stores
S10E18 / 19 Nov 2023
December 3, 2023: Organ & Body Donations
S10E19 / 03 Dec 2023
December 10, 2023: Freight Trains
S10E20 / 10 Dec 2023
December 17, 2023: Elon Musk
S10E21 / 17 Dec 2023
Season 11
February 18, 2024: Supreme Court
S11E1 / 18 Feb 2024
February 25, 2024: Pig Butchering
S11E2 / 25 Feb 2024
March 3, 2024: Airplanes
S11E3 / 03 Mar 2024
March 10, 2024: State Medical Boards
S11E4 / 10 Mar 2024
March 17, 2024: Student Loan Debt
S11E5 / 17 Mar 2024
March 31, 2024: Food Delivery Apps
S11E6 / 31 Mar 2024
April 7, 2024: Death Penalty
S11E7 / 07 Apr 2024
April 14, 2024: Medicaid
S11E8 / 14 Apr 2024
April 21, 2024: UFOs
S11E9 / 21 Apr 2024
May 5, 2024: Public Libraries
S11E10 / 05 May 2024
May 12, 2024: Opioid Settlements
S11E11 / 12 May 2024
May 19, 2024: Corn Production
S11E12 / 19 May 2024
June 2, 2024: India Elections
S11E13 / 02 Jun 2024
June 9, 2024: Deep-Sea Mining
S11E14 / 09 Jun 2024
June 16, 2024: Trump's Second Term
S11E15 / 16 Jun 2024
June 23, 2024: UK Elections
S11E16 / 23 Jun 2024
July 21, 2024: Migrant Crime
S11E17 / 21 Jul 2024
July 28, 2024: The West Bank Settlements
S11E18 / 28 Jul 2024
August 4, 2024: RFK Jr.
S11E19 / 04 Aug 2024
August 11, 2024: Hawaii
S11E20 / 11 Aug 2024
August 18, 2024: Hospice Care
S11E21 / 18 Aug 2024
September 8, 2024: School Lunch Programs
S11E22 / 08 Sep 2024
September 22, 2024: Disability Benefits
S11E23 / 22 Sep 2024
September 29, 2024: Federal Courts
S11E24 / 29 Sep 2024
October 6, 2024: Traffic Stops
S11E25 / 06 Oct 2024
October 13, 2024: Election Subversion
S11E26 / 13 Oct 2024
October 27, 2024: Mass Deportations
S11E27 / 27 Oct 2024
November 3, 2024: Trump's Businesses
S11E28 / 03 Nov 2024
November 10, 2024: 2024 Election Results
S11E29 / 10 Nov 2024
November 17, 2024: TikTok Ban
S11E30 / 17 Nov 2024
Season 12
February 16, 2025: Trump 2.0
S12E1 / 16 Feb 2025
February 23, 2025: Facebook
S12E2 / 23 Feb 2025
March 2, 2025: Tipping
S12E3 / 02 Mar 2025
March 9, 2025: ICE Detention Facilities
S12E4 / 09 Mar 2025
March 16, 2025: Sports Betting
S12E5 / 16 Mar 2025
March 30, 2025: Tasers
S12E6 / 30 Mar 2025
April 6, 2025: Trans Athletes
S12E7 / 06 Apr 2025
April 13, 2025: Trump & Tariffs
S12E8 / 13 Apr 2025
April 27, 2025: Health Agency Cuts
S12E9 / 27 Apr 2025
May 4, 2025: Deportations
S12E10 / 04 May 2025
May 11, 2025: Alliance Defending Freedom
S12E11 / 11 May 2025
May 18, 2025: Trump in the Press
S12E12 / 18 May 2025
June 1, 2025: Air Traffic Controllers
S12E13 / 01 Jun 2025
June 8, 2025: Med Spas
S12E14 / 08 Jun 2025
June 15, 2025: Child Incarceration
S12E15 / 15 Jun 2025
June 22, 2025: AI Content
S12E16 / 22 Jun 2025
June 29, 2025: Trump's Big Beautiful Bill
S12E17 / 29 Jun 2025
July 27, 2025: Gang Databases
S12E18 / 27 Jul 2025
August 3, 2025: Deferred Prosecution Agreements
S12E19 / 03 Aug 2025
August 10, 2025: Deportation Promise
S12E20 / 10 Aug 2025
August 17, 2025: Make America Healthy Again
S12E21 / 17 Aug 2025
September 7, 2025: Higher Education
S12E22 / 07 Sep 2025
September 21, 2025: Jimmy Kimmel Suspension
S12E23 / 21 Sep 2025
September 28, 2025: Benjamin Netanyahu
S12E24 / 28 Sep 2025
October 5, 2025: Presidential Libraries
S12E25 / 05 Oct 2025
October 12, 2025: Paramount Skydance Merger
S12E26 / 12 Oct 2025
October 26, 2025: Medicare Advantage
S12E27 / 26 Oct 2025
November 2, 2025: Police Chases
S12E28 / 02 Nov 2025
November 9, 2025: Felony Murder
S12E29 / 09 Nov 2025
November 16, 2025: Public Media
S12E30 / 16 Nov 2025
Season 13
February 15, 2026: ICE
S13E1 / 15 Feb 2026
February 22, 2026: Twitter
S13E2 / 22 Feb 2026
March 1, 2026: Police Body Cameras
S13E3 / 01 Mar 2026
March 8, 2026: USAID
S13E4 / 08 Mar 2026
March 15, 2026: J.D. Vance
S13E5 / 15 Mar 2026
March 22, 2026: Police Stings
S13E6 / 22 Mar 2026
March 29, 2026: Hungary
S13E7 / 29 Mar 2026
April 19, 2026: Prediction Markets
S13E8 / 19 Apr 2026
April 26, 2026: AI Chatbots
S13E9 / 26 Apr 2026
May 3, 2026: Gas Station Drugs
S13E10 / 03 May 2026
May 10, 2026: Shadow Docket
S13E11 / 10 May 2026
May 17, 2026: Structured Settlements
S13E12 / 17 May 2026
May 31, 2026: Presidential Pardons
S13E13 / 31 May 2026
June 7, 2026: New College of Florida
S13E14 / 07 Jun 2026
June 14, 2026: UK Elections
S13E15 / 14 Jun 2026
June 21, 2026: Feral Hogs
S13E16 / 21 Jun 2026
June 28, 2026: Congressional Maps
S13E17 / 28 Jun 2026
