Set in Valco, a fictional supermarket in Warrington in northwestern England, Trollied is a sitcom that puts a comic twist on one of our most familiar everyday surroundings.Set in Valco, a fictional supermarket in Warrington in northwestern England, Trollied is a sitcom that puts a comic twist on one of our most familiar everyday surroundings.Set in Valco, a fictional supermarket in Warrington in northwestern England, Trollied is a sitcom that puts a comic twist on one of our most familiar everyday surroundings.