Sarah-Louise Young returns to the Edinburgh Festival Fringe this year with a new heartfelt comedy cabaret show featuring an unlikely TV legend. The Bob Ross Effect plays at Assembly Gardens until 31 August. Read my review below. Sarah-Louise Young, The Bob Ross Effect. Photo: Steve Ullathorne The Bob Ross Effect ★★★★★ Review: 15 August 2026 | Edinburgh Festival Fringe, Assembly George Square Gardens Is this the only Fringe show offering welcome biscuits along with drawing pap