Yes, it’s sentimental but this puppet-horsepowered tale of a stallion and his boy seeking each other through the carnage of the Somme, based on Michael Morpurgo’s book, remains tremendously moving.
Partly it’s the scale and expressiveness of the enormous, titular Joey and his equine sidekick Topthorn, semi-transparent but fleshy, all pistoning legs and surging necks, brought to vivid, whinnying life by fluent teams of operators.