Late night events, Days out

The Bad Boy Pub Quiz: an evening of fun and frolics, musical statues, pass the pineapple, and the chance to win 'hunners' of money. Loads of great prizes to be won, and plenty of crap ones too!

The locking of the tower is a 700 year old tradition. The ceremony is still relevant as the fortress houses the crown jewels. Tickets are free, but booking is essential.

A light-hearted test of trivia with meal tokens as prizes for the winners and runners, which are exchangeable at the bar. The weekly Jackpot Question offers a chance to win £100.

A 19th-century tower mill, which is undergoing restoration to rebuild its sails.

Join the rangers for a twilight walk in search of Britain's only flying mammal.

Use bat detectors to find bats and other beasties. A geocache is also hiding, waiting to be tagged. Meet at the Barrmill Road Gate.

Join the rangers for this night-time search for bats and other beasties, using special detectors. Meet at the pumping station.

As the start of our Big Nature Weekend its all about nocturnal creatures with the opportunity to discover more about bats or moths. Join our experts to learn about how these creatures survive, navigate and feed and how to record and identify them.

A chance to talk to the staff at the Botanics about the less well-known flora and fauna of the garden, and the preparations for the upcoming Bio Blitz – an increasingly popular activity in which a given area is intensively studied for 24 hours in an attempt to discover every living species in the area. Ages 8+.

Bioux Lee Hayes and Kitty Bang Bang present an evening of Burlesque fused with circus-style entertainment.

Bristol-based acoustic pop, rock, soul and indie covers duo.

Grim and gruesome tales of terror from the City's less illustrious past. Brighton's most scary walking tour - because it's all true. Definitely not for the squeamish! PG – Children (16 and under) must be accompanied by an adult.

Meeting place for retro gamers to play all the classics.

Intelligent satire and incisive wit from Robin Ince. Also featuring Joel Dommett, Romesh Ranganathan, Jo Neary, Sam Savage, Darren Maskell and Phil Lucas.

• Directed by: Yaron Lifschitz

The latest circus-theatre show from the Brisbane-based ensemble, in which it explores the outer reaches of humanity, blurring the lines between humans and beasts. Featuring defying rope-work and acrobatics, modern circus skills, all fused with light and sound.

Experience the even darker side of the atmospheric and historically fascinating Mary King's Close on these late night, adults-only tours to celebrate Hallowe'en. The lights are turned lower and the facts are even stranger and gorier than usual.

Run by the German Railway Society, the show features layouts and traders specialising in the European aspect of the hobby.

The Ab Fab comedy queen talks about her new memoirs.