John Lloyd and new curator Jimmy Carr welcome objects from Erica McAlister, Jan Bondeson and Al Murray. From October 2012.

Professor of Ignorance at the University of Buckingham, Professor John Lloyd CBE welcomes comedian Jimmy Carr for the fifth series.

Three guests are invited to donate one item each and explain why it deserves a place in the museum.

In the opening episode, John and Jimmy welcome the Natural History Museum's resident dipterologist (fly expert) Erica McAlister; Consultant Rheumatologist at the Cardiff University School of Medicine Jan Bondeson and comedian, historian and fictitious Pub Landlord Al Murray.

First broadcast on BBC Radio 4 in 2012