Season 4 Details Casts Episode Lists of Season 4 Title Season 4 Genres Talk Comedy News Air Date 2017-02-12 Episode Runtime 00 Hours 33 Minutes Season Number 4 Episode Count On Season 4 30 Production Companies Sixteen String Jack Productions, Avalon Television, Partially Important Productions, Borchard Entertainment John Oliver Self - Host Episode 1 2017-02-12 Trump vs. Truth... Episode 2 2017-02-19 Putin... Episode 3 2017-02-26 Obamacare... Episode 4 2017-03-05 Dalai Lama... Episode 5 2017-03-12 American Health Care Act... Episode 6 2017-03-19 Federal Budget... Episode 7 2017-04-02 Marijuana... Episode 8 2017-04-09 Gerrymandering... Episode 9 2017-04-16 French Elections... Episode 10 2017-04-23 Ivanka & Jared... Episode 11 2017-05-07 Net Neutrality II... Episode 12 2017-05-14 Dialysis... Episode 13 2017-05-21 Stupid Watergate... Episode 14 2017-06-04 Paris Agreement... Episode 15 2017-06-11 Brexit II... Episode 16 2017-06-18 Coal... Episode 17 2017-06-25 Vaccines... Episode 18 2017-07-02 Sinclair Broadcast Group... Episode 19 2017-07-30 Alex Jones... Episode 20 2017-08-06 Border Patrol... Episode 21 2017-08-13 North Korea... Episode 22 2017-08-20 Nuclear Waste... Episode 23 2017-09-10 Joe Arpaio... Episode 24 2017-09-24 Corporate Consolidation... Episode 25 2017-10-01 Forensic Science... Episode 26 2017-10-08 Confederacy... Episode 27 2017-10-15 Equifax... Episode 28 2017-10-29 Floods... Episode 29 2017-11-05 Economic Development... Episode 30 2017-11-12 The Trump Presidency...
