"The lack of coverage they complain about so much might have genuinely benefited them," Oliver says of the leading third-party candidates. "Their key proposals begin to crumble under the slightest scrutiny."
"There might well be detainees who we scooped up as young men who we think are guilty," says Oliver. "But they will never get a trial, and they will be there until they die."
Trump is rarely likened to previous presidents, but is often accused of being a long-dead performance artist.
"It is dangerous to think there is an equal number on both sides."
The decline of journalism could mean the rise of political corruption, he says.
The "Last Week Tonight" host didn't hold back in his criticism of Donald Trump's response to the Muslim-American whose son was killed in Iraq.
The "Last Week Tonight" host is not happy that his home country might vote to leave the European Union.
It doesn't have to be so complicated.
The "Last Week Tonight" host offered to help Kadyrov find his lost cat.
It's more complicated than you could have ever imagined.
Call centers are understaffed, underfunded and do not have access to common location accuracy technology.
Despite outrage over Flint's water system, it's unlikely the government is going to take any real steps to combat lead poisoning.
Nearly half of employers require a credit check from new hires. There are a lot of reasons why they shouldn't.
There are more than a few problems with Trump's border wall proposal.
Though abortion is legal in the United States, conservative lawmakers have pushed to restrict access.
GAO says IRS conducted just three church audits from 2013 to 2014.
To celebrate Blatter's resignation, the TV host swigged Bud Light Lime and gorged on McDonald's.
Edward Snowden urged Americans not to change their Internet habits because of the NSA.
John Oliver sees what you're doing there, Internet.