16:20Messy Goes to OKIDOSeries 1Episode 39: A Case of the LightningsCBeebies Wed 18th May 2016, 16:20 on CBeebiesAvailable for yearsExploring science questions. Messy and friends visit Fluff the Cloud's family, and things heat up in flash when her brother Nimby gets the lightnings.GenresChildren'sFactualLearningPre-SchoolBrandMessy Goes to OKIDOSeriesMessy Goes to OKIDO: Series 1 Source: BBC Online