I f you liked Sacha Baron Cohen’s Ali G the first time around, you’ll like this less; if you disliked it, you’ll dislike this more; if you suspected it was racist, you’ll be more emboldened to say so – especially as Baron Cohen has dreamed up a whole new character apparently to pre-empt and mock precisely that objection. Broad and crass as it often is – in fact always is – this Ali G sequel is sometimes funny: the athletic vigour of our hero’s pranking and punking is like the umpteenth Jackass film at which you might find yourself laughing, and Baron Cohen blunders with the semi-intentional force of an XL bully into the issue of whether jokes are still allowed.

Unlike the first film, Ali G in Da House from 2002, this is not a full written-through narrative.…