Lee Mack joins Matt and Alex to talk about his new panel show Duck Quacks Don't Echo. They are also joined by Wayne Sleep and his Big Ballerinas, Dan Snow shows his WW1 family heirloom - the treaty of Versailles, and Phil Tufnell visits a derelict mansion on Billionaire's Row.Plus, the man conned out of his entire pension, the natural flood defence that has saved the village of Belford, and verifying viewers' favourite facts with the One Show's team of boffins - Sarah Jarvis, Mike Dilger and Marty Jopson.