World's Dirtiest Air in Mongolia & Banged Up For Blasphemy in Pakistan

00:00 Mongolia: The World's Dirtiest Air
Marcel Theroux visits Mongolia's capital Ulaanbaatar, where the air quality can reach more than 100 times the accepted limit for pollutants and is causing a public health disaster.
24:10 Pakistan: Banged Up For Blasphemy
Marcel Theroux investigates Pakistan's strict blasphemy laws and meets people (including children) who have fallen foul of them. He also meets lawyers and activists determined to see them sentenced to death.