Last Week Tonight with John Oliver
PFAS
TV Flash files “PFAS” as hour 234 of 371 in the TV Flash guide — Last Week Tonight with John Oliver (2014–present) on HBO, season 8, episode 25, aired 2021-10-03, 30 min.
From the desk
How this hour is filed
This leaf is S08E25: listed hour 234 of 371 in the Last Week Tonight with John Oliver guide, hour 25 of 30 in season 8. It aired 2021-10-03 (30 min). The listed hour before it is “Voting Rights” (S08E24). Next is “Misinformation” (S08E26).
Catalog log
Broadcast listing — not a TV Flash recap.
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.
Viewer FAQ
Where does PFAS sit in the Last Week Tonight with John Oliver guide?
S08E25 is listed hour 234 of 371 — hour 25 of 30 in season 8, season 8 episode 25.
When did Last Week Tonight with John Oliver S08E25 air?
PFAS aired 2021-10-03 and is listed at 30 minutes.
Do I need to watch every week in order?
Each episode is a topical deep dive, not a serial plot. Jump at a subject you care about; net-neutrality-era segments are the origin myth of the civic-homework clip.
In the series
Why this series still plays
John Oliver turned late-night into a research department with punchlines: twenty-minute deep dives on net neutrality, prisons, and whatever lobbyists hoped you would never google. Civic homework disguised as comedy — explainer satire that actually moved petitions, and a host who treats footnotes like setups.
Sunday night, and the group chat is doing homework. After *The Daily Show*, John Oliver's HBO late-night series debuted April 2014 with Tim Carvell and James Taylor in the engine room: twenty-minute deep dives on net neutrality, prisons, and whatever lobbyists hoped you would never google. Segments sparked real petitions and news cycles. Multiple Emmys for variety talk. Footnotes as setups. (Spoiler-free: the joke comes with a syllabus.) Lana can have the tuxedo. **The ship is the explainer, and the replies are…
Open the Last Week Tonight with John Oliver package · Season 8 hub
Filed against
- John Oliver as Host
John Oliver’s correspondent weather on The Daily Show with Jon Stewart made a fake newscast feel like a civic classroom, then Last Week Tonight turned the same research into twenty-minute deep dives — 2000s catalog Stewart era, 2010s…