Among the topics covered with the prime minister were skunk and mental health – as well as cuts, migrant deaths and the justification for intervention in Libya.
Lib Dem leader Nick Clegg, 21 April
The deputy prime minister spoke to Jon Snow about migrants, Nigel Farage’s comments on Libya and tuition fees.
Ukip leader Nigel Farage, 22 April
The Ukip leader said that he was too keen and had overdone it at the start of the campaign. He agreed that he made mistakes, and he had got a bit wonky as a result. But he told Jon Snow he had got his “vim and vigour” back now.