Shrink and stand-up Benji Waterstones heads to Peru in search of ayahuasca, a healing hallucinogenic so strong that just one dose has been likened to 15 years of therapy. So, is it the magic pill he craves? The psychological penicillin to save the NHS? A funny and moving account of one self-help junkies search for happiness.Perfect and hilarious (Buzzfeed)A stand-out show (John Fleming)