Posh, Duke Of York's Theatre, WC2, to 4 Aug, royalcourttheatre.com Laura Wade's pre-general election play set at a club for upper-class boys at Oxford is still timely.
Timon Of Athens, Olivier Theatre, South Bank, SE1, to 31 Oct, nationaltheatre.org.uk Simon Russell Beale stars in Nicholas Hytner's timely production of Shakespeare's drama of debt and ruin.
Ellen Gronemeyer, Greengrassi, SE11, to 28 Jul, greengrassi.com Densely-wrought paintings of acrobats mix cartoon exuberance, fairytale whimsy and darker notes.
The Politics Of Sport, South London Gallery, Peckham, SE5, to 14 Sep, southlondongallery.org Artists explore the hidden desires, fears and personal victories that keep us hooked on sport, from a film of beautiful bums to a vast installation of school sports trophies.
Ealing Jazz Festival, Walpole Park, W5, 2pm-10.30pm, ealing.gov.uk Easy listening and swinging jazz from the Motif Ska/Jazz trio, Timezone, Zantone Blacq & Quincy and more.
Harry Hill: Experiments In Entertainment, Battersea Arts Centre, SW11, tonight only, bac.org.uk He may have left TV Burp behind him, but Hill's as inventive as ever.
Peter Schaufuss Ballet: The Nutcracker, London Coliseum, WC2, eno.org, to 28 Jul Schaufuss interprets Swan Lake, Sleeping Beauty and Nutcracker as a musical biography of Tchaikovsky.
Jeremy Deller: Sacrilege, various London locations, to 9 Sep, sacrilege2012.co.uk Let your inner child loose on the playful, larger-than life bouncy megalith castle by the former Turner Prize-winner.
Floating Market, Regent's Canal, Mile End Park, E3, to 16 Aug, canalrivertrust.org.uk Part of London's much-loved community of barges and narrowboats becomes a vintage, crafts and foodie dream on water.
The Detroit Series Part 3, Netil House, E8, tonight only The final instalment of Dollop's Detroit techno triptych, with Derrick "Strings Of Life" May supported by Waifs & Strays, Jon Rust and Optimo's JD Twitch.