第 4 季 共 30 集
播出时间：2017年2月13日
第 1 集 Trump vs. Truth
播出时间：2017年2月13日
Donald Trump spreads a lot of false information thanks to his daily consumption of morning cable news. If only we could sneak some facts into the president’s media diet.
第 2 集 Putin
播出时间：2017年2月20日
Vladimir Putin is known as a ruthless leader and master manipulator. John Oliver enlists a group of singing dancers to explain that to Donald Trump.
第 3 集 Obamacare
播出时间：2017年2月27日
Congressional Republicans could soon vote to repeal Obamacare. John Oliver explores why their replacement plans are similar to a thong.
第 4 集 Dalai Lama
播出时间：2017年3月6日
Tibetan Buddhists have suffered deep persecution by the Chinese government. John Oliver sits down with the Dalai Lama to discuss China, the conditions in Tibet, and horse milk.
第 5 集 American Health Care Act
播出时间：2017年3月13日
The Republican health care bill could leave many Americans without affordable coverage. Last Week Tonight's catheter cowboy returns to morning cable news to explain that to Donald Trump.
第 6 集 Federal Budget
播出时间：2017年3月20日
Donald Trump's federal budget plan proposes large funding cuts with largely negative consequences. John Oliver examines the troubling priorities of the new administration.
第 7 集 Marijuana
播出时间：2017年4月3日
Under federal law, even legal marijuana is illegal. John Oliver explains why conflicting drug laws pose serious problems.
第 8 集 Gerrymandering
播出时间：2017年4月10日
Lawmakers often reshape voting districts to shift the balance of political power. That's unfair to voters, even those of us with questionable judgment.
第 9 集 French Elections
播出时间：2017年4月17日
The presidential election in France could determine the political future of Europe. John Oliver visits an excessively French bistro to deliver an urgent message to voters.
第 10 集 Ivanka & Jared
播出时间：2017年4月24日
Ivanka Trump and Jared Kushner hold an incredible amount of political power. That's troubling considering their incredibly small amount of political experience.
第 11 集 Net Neutrality II
播出时间：2017年5月8日
Equal access to online information is once again under serious threat. John Oliver encourages internet commenters to voice their displeasure to the FCC by visiting www.gofccyourself.com.
第 12 集 Dialysis
播出时间：2017年5月15日
For-profit dialysis companies often maximize their profits at the expense of their patients. John Oliver explores why a medical clinic is nothing like a Taco Bell.
第 13 集 Stupid Watergate
播出时间：2017年5月22日
John Oliver discusses the shocking magnitude and potential impact of the latest revelations surrounding the Russia investigation.
第 14 集 Paris Agreement
播出时间：2017年6月5日
Donald Trump plans to withdraw the United States from the Paris agreement on climate change. That's bad news for anyone who happens to live on this planet.
第 15 集 Brexit II
播出时间：2017年6月12日
In the wake of a divisive election, the UK will begin the process of leaving the European Union. John Oliver and an intergalactic space lord propose a plan.
第 16 集 Coal
播出时间：2017年6月19日
We’ve heard a lot of talk about coal miners in the last year, but what are the real issues surrounding coal? John Oliver and a giant squirrel look into it.
第 17 集 Vaccines
播出时间：2017年6月26日
The benefits of vaccines far outweigh the minuscule risks, but some parents still question their safety. John Oliver discusses why some people may still feel uncertainty about childhood vaccinations.
第 18 集 Sinclair Broadcast Group
播出时间：2017年7月3日
Sinclair Broadcast Group is the largest owner of local TV stations in the country. That's alarming considering that they often inject political views into local news.
第 19 集 Alex Jones
播出时间：2017年7月31日
Alex Jones is known for pushing conspiracy theories, but he also spends a lot of time promoting his own products. John Oliver and a “doctor” “from” M.I.T. test out his marketing strategy.
第 20 集 Border Patrol
播出时间：2017年8月7日
Donald Trump's plan to hire more Border Patrol agents could lead to more corruption and misconduct. If only their recruitment ads were designed to attract the most suitable applicants.
第 21 集 North Korea
播出时间：2017年8月14日
As nuclear tensions continue to escalate between the United States and North Korea, John Oliver enlists "Weird Al" Yankovic to perform some accordion-based diplomacy.
第 22 集 Nuclear Waste
播出时间：2017年8月21日
Nuclear waste poses a serious threat to public health if it's not stored in a safe place. John Oliver explains why the United States desperately needs to build a metaphorical toilet for all that waste.
第 23 集 Joe Arpaio
播出时间：2017年9月11日
Donald Trump issued his first presidential pardon to the last person who should get one. John Oliver discusses the troubling record of former Arizona sheriff Joe Arpaio.
第 24 集 Corporate Consolidation
播出时间：2017年9月25日
Big businesses are getting even bigger thanks to a rise in corporate mergers. John Oliver explains why that could make you want to physically destroy your cable box.
第 25 集 Forensic Science
播出时间：2017年10月2日
Forensic science used in criminal trials can be surprisingly unscientific. Maybe a new television procedural could help change the public perception.
第 26 集 Confederacy
播出时间：2017年10月9日
Confederate symbols are still celebrated despite the ugly history they symbolize. John Oliver suggests some representations of southern pride that involve less racism and more Stephen Colbert.
第 27 集 Equifax
播出时间：2017年10月16日
John Oliver discusses the massive impact of the cybersecurity breach at Equifax and their massively misguided attempts to mitigate the damage.
第 28 集 Floods
播出时间：2017年10月30日
John Oliver explains why our federal system for financing flood recovery perpetuates a pattern of destruction and why you should never offer a tortilla chip to a seagull.
第 29 集 Economic Development
播出时间：2017年11月6日
State and local governments offer large financial incentives to attract employers to their part of the country. John Oliver explains what communities get, or often don't get, in return.
第 30 集 The Trump Presidency
播出时间：2017年11月13日
One year after the presidential election, John Oliver discusses what we've learned so far and enlists our catheter cowboy to teach Donald Trump what he hasn't.
