Stars of hit E4 sketch show, 'School of Comedy', return to the Edinburgh festival for one week only after their sell-out runs in 2007/8. Back bigger, better and even ruder, check out some of the best loved favourites and catch a sneaky peak at some of their brand new characters from their upcoming second series. 'Bugsy Malone' on speed. Not for children under 12! 'Audacious success' (Times); 'Laugh out loud funny' (Metro); ***** (BroadwayBaby.com); ***** (List).