Ukraine: 'Heaven and Hell', with Matthias Schmale - UN Resident and Humanitarian Coordinator in Ukraine

On life's journey, make each step count, with Amina J. Mohammed - UN Deputy Secretary-General

A ray of hope for cancer patients, with Dr. May Abdel-Wahab - Director of the Division of Human Health at the International Atomic Energy Agency (IAEA)

Nothing keeps me awake, everything keeps me going, with Peter Hawkins - UNICEF Representative in Yemen

Working for peace in the DR Congo, with Vivian van de Perre - Deputy head of peacekeeping in the Democratic Republic of the Congo (DRC)

When war comes home, with Yacoub El Hillo - Regional Director for Africa at the UN Development Coordination Office

Why I'll always champion Afghan women, with Georgette Gagnon - the UN Secretary-General's Deputy Special Representative for Afghanistan

Do not take Democracy for granted, with Nicholas Haysom - Special Representative of the Secretary-General for South Sudan and Head of UNMISS

What next for Syria's refugees, with Gonzalo Vargas Llosa - UNHCR Representative to Syria

Season 11

Women's rights are human rights, with Nyaradzayi Gumbonzvanda - ASG and Deputy Exec. Director of UN Women

Protecting children in crisis, with Catherine Russell - Executive Director of UNICEF

The battle to protect children from online abuse, with Carmen Corbin - UN Office on Drugs and Crime (UNODC)

How to save humanity from climate breakdown with Celeste Saulo, Secretary-General of the UN's World Meteorological Organization (WMO)

Love Is the One Thing that Solves Everything - Benjamin Perks - Head of Campaigns and Advocacy - UNICEF

Love in the time of terrorism - Laura Dolci - Secretary of the Universal Periodic Review, Human Rights Council

Peace is the Most Urgent Medicine - Hans Kluge - World Health Organization Regional Director for Europe

How Much Does it Cost to Feed the World? - Arif Husain - Chief Economist, World Food Programme WFP

Season 10

Why Actor Edward Norton Champions Biodiversity