"HOW bona to vada your dolly old eek!" Come again? If that sentence strikes you as a little nonsensical, you're probably not familiar with polari, the secret gay language of the 1950s - or Round the Horne, the 60s radio show that popularised it.

Julian and Sandy, the extravagantly camp duo (played by Hugh Paddick and Kenneth Williams) who unwittingly let the nation in on the secret, were always the comic highlight of the show, which won 15m listeners with its compelling mixture of Pythonesque weirdness and Carry On-style innuendo.

They're still the funniest thing in it, but that's not to say this theatrical resurrection, featuring five talented actors playing Horne and his merry men (and woman), is anything but a joy from start to finish. Rather than delving into the private lives of the show's stars or do anything too clever, it simply gives us the chance to experience the show from the point of view of an audience at a recording - complete with sound effects man and flashing "Applause" signs. As the players step up to their microphones and metamorphose into such delightful characters as folk singer Rambling Syd Rumpo and stiff-upper-lipped actors Dame Celia Molestrangler and Binkie Huckaback, we appreciate both the talents of the original artists and the skill of the actors bringing them to life.

Sometimes the jokes make you groan, sometimes they provoke a hearty chortle. But, as this simple but extremely effective show reminds us, it's the way they told them that made them so memorable.