Things to do in London on Saturday 31 October

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

Trade union conference on climate with CND's Sophie Bolt.

Learn to Fix: bike repair workshop.

Workshop with Frances Hatch: painting with Dorset sands.

Halloween meditation on death, the Buddhist way.

Darbar: Hatha yoga to live esraj music, all levels.

Circus theatre masterclass for 18–25 year olds.

Shaun the Sheep: The Beast of Mossy Bottom, family film.

Print design workshop on the 1986 Wapping dispute.

Walk to Bhajan Hunjan’s studio and public art in Bow.

Day of the Dead Family Festival: Día de Muertos for all.

Halloween boat trips through the dark Islington Tunnel.

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

Spooky Storytime with Anna Kemp: spells, crafts, stories.

Penguin: musical puppet show for ages 2–8.

Museum Tour: guided visit with tea and short films.

Curator Taous Dahmani tours Sanlé Sory's Colour Years.

Poetry as Ritual: writing workshop with Sarah Fletcher.

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

Day of the Dead Festival with mariachi and mask-making.

Shahbaz Hussain on the gharanas that shaped his tabla.

Flotsam: opera for ages 2-6, from Wiesner's picture book.

Showstopper!: improvised musical, ages 5+.

Halloween Aboard The Golden Hinde: ghosts and superstitions.

Islington Square Halloween: food, treats and live acts.

Halloween Screen Printing: spooky totes for kids from age 5.

Let's Find Your Rhythm: vocal and body percussion workshop.

Audio-described tour of Paul Sarrut's wartime drawings.

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

Character Encounters: costumed tours for families.

Evelyn Taocheng Wang on Britain, fiction and desire.

Pokémon TCG Kids Club: trade and play for young fans.

Halloween dog show at the Morgan Arms: best in show wins.

Black Market Knees-Up: cocktails and pub quiz, 21+.

West End Musical Brunch: eat, drink and sing along.

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

Appetite Halloween: warehouse rave with Groove Armada.

Day of the Dead street parade on Columbia Road.

Bingo party show with rave intervals, Halloween matinee.

Groove Armada DJ set: Halloween house party.