Continuity mistake: When the police are running to the door of Somerfield, Danny is in front. Camera cuts and now Angel is arriving at the trolleys first.
Continuity mistake: When Angel asks his superior why everyone is eating chocolate cake, behind Angel you can see Danny with a literal few crumbs left on the plate. When the Sergeant replies to Angel and Danny looks up smiling, you can see there is now a lot more cake on the plate.
Continuity mistake: The shoplifter at the station constantly changes stance depending on the camera angle; he leans against the wall, then slouches forward.
Continuity mistake: When Michael (the 'yarp' guy) has been knocked out by Angel, Danny appears and gives Angel his notepad. Angel then turns to leave twice.
Continuity mistake: When Martin Blower and Eve Draper get pulled over for speeding by Angel and Danny, Eve's arm alternates between being on the door frame and being by her side at the start of the conversation between Angel and Martin Blower.
Continuity mistake: When Angel, Danny and the Andies are running with the trolleys to the butchers in Somerfield, two others give cover fire and appear in the isle behind Angel and Danny. Camera cuts and they appear again.
Answer: Just before "Auntie Jackie's sisters' brothers' boy' legs it, Danny is looking at the DVDs in the supermarket and there's a copy of Shaun of the Dead in the bargain bin...albeit the Spanish version! Only £4.99! It was released as "Zombie Party" in Spain but has the same front cover as UK release.