Pete: It's four in the fucking morning!
Shaun: It's Saturday!
Pete: No, it's not. It's fucking Sunday. And I've got to go to fucking work in four fucking hours 'cos every other fucker in my fucking department is fucking ill! Now can you see why I'm SO FUCKING ANGRY?!
Ed: Fuck, yeah!
At Barbara and Phil's house, just as the hooded zombie bites a chunk out of Phil's neck (before Shaun leaps over the car hood) the black mat with two long white marks is visible on the pavement, behind the second zombie (beside the car). It's gone in following shots.
When at work, talking to the youngsters, Shaun mentions that "Ash" is also sick and can't come to work. A nod to the classic The Evil Dead (1981) trilogy where Bruce Campbell plays Ash, also a sales clerk.