LondonistFree Things To Do In London This Week: 22-28 September 2025Free things to do in London this week. Looking for more free things to do in London? Catch a free talk this weekAs always, London's teeming with free talks and lectures across a range of topics. Watch sheep being herded over a central London bridgeThe London Sheep Drive is a baaah-my annual event. See what's on at Streatham Free Film FestivalOngoing this week and into next week, Streatham Free Film Festival is just that — a programme of free film screenings in various locations around Streatham.