Entertainment Tweet by @SheffCityHall Published Dec. 6 2022 10:05 AM JUST ANNOUNCED!@SteveBackshall : OCEAN🐬🌊 📅Sunday 22nd October 2023 🎫Tickets go on sale Friday 9th December at 10am🔗https://t.co/JN0Gtgj1JN https://t.co/kNWabKu3aq, — Sheffield City Hall (@SheffCityHall) December 06, 2022 10:05