In a nutshell: it is very cute. Although the themes of good and evil, heaven and hell, are rather epic and grand, this at heart just a small, gentle story of two men who hang out in a bookshop together, go to the pub together, pretend not to like each other, but secretly adore each other beyond the telling.

For me, it verged sometimes on schmaltzy. Whimsy is nice. Absurd is nice. But as an English person, with these things I can't always quite shake the feeling that it's a version of England and Englishness being sold shamelessly to Americans. The cuteness of it, like a little decorative teacup, is charming for sure, but I missed a bit of bite too. There are moments when it could almost bite, but then it seems to get scared and back down fast. For all that, Sheen and Tenant are extremely experienced actors who make it fun, watchable, and easy, ably supported by John Hamm (another highly professional actor), who seems to be having the time of his life with this relatively simple, comedic part.