You Are Happy - S1.E13

Tess tells Matthew that she's pregnant, but his joy is tempered by a sighting of the (dead) Old Monk. When the monk confronts Matthew in a shop, he tells him that it is time to 'come home'.

Shocked and frightened that the monk is warning him of impending death, Matthew locks himself in a room, desperate to avoid this fate. But the monk appears in the room with him, and Matthew panics, thinking he's having a heart attack. Tess helps him rush to hospital. However on the way they get caught in a huge traffic snarl-up and Matthew jumps out to walk. He soon encounters the source of the traffic jam: Tim, threatening to blow himself up.

Tim has decided the solar eclipse signifies that 'it is time'. He follows Sam, who is rushing Julie to hospital to have the baby, and creates a traffic jam, With plastic explosives strapped to his body.