E4 - Monty Don meets the founder of the Grandi Giardini Italiani garden society and glimpses the luxurious gardens of the rich and famous.
S10 E13 - When Murdoch and Ogden use their riverside property as a burial ground to study human decomposition, they dig up more than they imagined.
E6 - Echidnas and platypuses are the only mammals in the world to share some key traits with reptiles, including laying eggs.