Jason Manford, Rhod Gilbert, Isy Suttie et al are joined by natural treasure Barbara Windsor as the natural world talks rhubarb. Meet Lonesome George, a belligerent tortoise with a Jamie Oliver-shaped axe to grind, drop in on Sebastian the chimp's therapy session, and catch up with the 18th live semi-final of Penguin's Got Talent.
| Name | Type | Role | |
|---|---|---|---|
| Barbara Windsor | Guest Star |