The latest in our series of writers detailing their most easily rewatched comfort films is an appreciation of a smart, funny and tender ode to fan culture

“By Grabthar’s hammer, by the sons of Worvan … you shall be avenged.”

If you have seen Galaxy Quest, those words may bring you close to tears. They mark the moment when Alan Rickman’s character – a Shakespearean luvvie turned sci-fi sidekick – realises that the ludicrous catchphrase he has reluctantly uttered thousands of times does matter after all.