Aziraphale and Crowley, representing Heaven and Hell, bid to stop the end of the world.
Gary has a prankster he needs to sack, and young son Teddy has his first ever date.
The spy creatures get up close to a hippo pod and a nursery of red flying foxes.
Intelligence agents around the world are under attack from alien forces.
Stacey Dooley investigates the controversial world of whale hunting.
The remaining seven cooks bake their ultimate children's birthday cakes.