14:00Hey You What If?Series 1Clouds Were Made Out of Cotton Wool?CBBC Thu 19th Nov 2020, 14:00 on CBBC ChannelAvailable for 2 monthsClouds might look like cotton wool, but if they really were, things would get very messy.GenresChildren'sFactualFactualScience & NatureBrandHey You What If?SeriesHey You What If?: Series 1 Source: BBC Online