Tears? Check! Tantrums? Check! Bitching and backbiting? Check! Moans about the food? Check!

And, of course, the emergence of one particular individual who, against our better natures, we suddenly find ourselves longing to slap.

Starting in 1913, the story finds Tennant in the role of astrophysicist Arthur Eddington, a respected scientist who dared to suggest that a German might have stumbled upon rather an inspired theory.

The German in question was a little-known chap by the name of Albert Einstein (played by Andy Serkis), who’d been working for some years on his Theory of Relativity, one that called into question many of British science’s fundamental assumptions.

The cast also includes Jim Broadbent, Lucy Cohu, Rebecca Hall and Jodhi May.

That’s because he’s got an urgent job to do, rushing home to save his village from a ruthless gang of bandits.

When King Uther refuses to help, Merlin is resigned to undertaking this battle alone.

But Arthur, Morgana and Gwen have other ideas.