Main segment: Vaccine Safety.

Other segments: Lawsuit over coal segment from Episode 105, possible existence of Trump-Comey recordings, Better Care Reconciliation Act of 2017.

Last Week Tonight With John Oliver Season 4 Episodes...

• s04e01 - Trump vs. Truth
• s04e02 - Putin
• s04e03 - Obamacare
• s04e04 - Dalai Lama
• s04e05 - American Health Care Act
• s04e06 - Federal Budget
• s04e07 - Marijuana
• s04e08 - Season 4, Episode 8
• s04e09 - Season 4, Episode 9
• s04e10 - Season 4, Episode 10
• s04e11 - Season 4, Episode 11
• s04e12 - Season 4, Episode 12
• s04e13 - Stupid Watergate
• s04e14 - Season 4, Episode 14
• s04e15 - Season 4, Episode 15
• s04e16 - Season 4, Episode 16
• s04e17 - Season 4, Episode 17
• s04e18 - Season 4, Episode 18
• s04e19 - Season 4, Episode 19
• s04e20 - Season 4, Episode 20
• s04e21 - Season 4, Episode 21
• s04e22 - Season 4, Episode 22
• s04e23 - Season 4, Episode 23
• s04e24 - Season 4, Episode 24
• s04e25 - Season 4, Episode 25
• s04e26 - Season 4, Episode 26
• s04e27 - Season 4, Episode 27
• s04e28 - Season 4, Episode 28
• s04e29 - Season 4, Episode 29
• s04e30 - Season 4, Episode 30

Last Week Tonight With John Oliver Show Summary

Presenting a satirical look at the week in news, politics and current events, the show will be hosted by comedian John Oliver, an alumnus of The Daily Show. The show will be similar in scope, exploring a satirical look at news, politics and current events on a weekly basis every Sunday.