Just the tip.

In this one, Liv and Ian talk about a mudslide/landslide/avalanche that struck the town of Aberfan, Wales, in 1966. Among the victims were children in a school that was in the center of the mudslide's path.

Also, Ian discusses an alternate version of Shrek. Liv wants to go to Applebee's.

The Aberfan Disaster official tribunal report:

http://www.mineaccidents.com.au/uploads/aberfan-report-original.pdf