Things to do in London on Friday 30 October

We Were There: Veterans' stories aboard HMS Belfast.

Halloween boat trips through the dark Islington Tunnel.

Toto: a children's musical about a donkey who dreams.

Bewitched: Halloween open day with protective amulets.

Wicker: Olivia Colman in a comedy about a wicker husband.

Beyond categories: Hoi Yan Yau on intimacy in Taiwan.

Literary tour of Southwark Cathedral: Gower to Dickens.

St Martin-in-the-Fields: 300 years in photos and stories.

Potion Lab: mix your own slimy Halloween potion, ages 3+.

Showstopper!: improvised musical, ages 5+.

Halloween Aboard The Golden Hinde: ghosts and superstitions.

Anancy folk stories for children aged 5-12.

At Sea: a non-verbal puppet show for ages 6 to 12.

Evelyn Taocheng Wang on Britain, fiction and desire.

Kora Resonance Session with Francis Ssuna & Zarah Arora.

Embattled Belief: faith in the British Army since 1945.

Piano Proms: Anson Tang plays Chopin and Debussy.

Queer Britain: the UK's first LGBTQ+ museum.

Friday Night Drag Show: drag cabaret hosted by Karla Bear.

Drag Cabaret Show with Queera Lynn and Irene Bru.

Drag Show at The Rising: free drag show every weekend.

Mother There Art Thou: prize-winning new play.

On Your Bike Baffo: clown show with stunts for ages 4–10.

Treasures Tour of the Maritime Museum's gems.

Case 137, Dominik Moll's film with Léa Drucker.

Possible Love: Lee Chang-dong's drama with Jeon Do-yeon.

The Devils: Ken Russell's censored epic of church and state.

Friday Music in the Museum: Dvořák and Haydn quartets.

The London Model Talk: London's story in miniature.

Guided tour: Gradiva at Freud's study, in Italian.

Pictoplasma: character design conference.

The Guards Animal Army Tour: animals of the Foot Guards.

Psychobilly Freakout: punk festival with Demented Are Go.

Forgotten Island: DreamWorks animation of a magical isle.

Kids' Halloween party with costumes, games and a live DJ.

Penglei Liang and Yuyao Qu: songs for voice and piano.

Crossing Borders: Japanese pop music and identity workshop.

Spooky storytelling and scary writing for kids aged 8 up.

Gallery Café for queer photography.

North Base play a live show alongside Logan D.