How many oceans are on Earth? 🌍 ⁣ ⁣ Sandi Toksvig looked at oceans on this episode of QI in 2017, with the likes of Joe Lycett and David Mitchell stumped on this particular question!⁣ ⁣ #QI #Ocean #Earth #Science #Throwback ⁣ ⁣ QI: Sandi Toksvig, Alan Davies and a host of comedy stars swap funny facts on every subject under the sun. It doesn't matter if they're right, as long as they're quite interesting.