The Isle of Dogs, located in London, England, was where an anomaly once opened in Episode 2.4. It led to the Future, and a group of Mer Creatures came through. Located here is a basketball court, a warehouse and a canal. The Isle of Dogs is an area in in London, England, that is bounded on three sides (east, south and west) by one of the largest meanders in the River Thames. One of the many docks located there - South Dock - was used for filming the Isle of Dogs canal in Episode 2.4 of Primeval.