Hey You What If?Series 1You Could Switch Off the Sun?CBBCFirst broadcast: Fri 8th May 2020, 16:10 on CBBC HDLatest broadcast: Mon 13th Jun 2022, 08:50 on CBBC HDAvailable for 4 monthsSee what would happen if you really could switch off the sun. GenresChildren'sFactualFactualScience & NatureBrandHey You What If?SeriesHey You What If?: Series 1 Source: BBC Online