A major new investigation reveals the life story of Hope the blue whale.

Unearthing some of the museum's less-seen gems; Dinosaur experts Susie and Paul follow up on an exciting tip about possible dino footprints in Wales.

Deep in the museum's basement, Susie tries to piece together the skeleton of a T-Rex whose bones have gotten mixed up.

Susie makes an exciting discovery, believing that a dinosaur skull from a dig in Africa maybe 200 million years old.