How Do You Clean Niagara Falls? | QI

You can now watch every full episode of QI, including this one, on iPlayer! ▶ Follow QI on Twitter ▶ Follow QI on TikTok ▶ @theqielves Follow QI on Facebook ▶ Follow QI on Instagram ▶ Subscribe on YouTube ▶ For more visit ▶ This clip is from QI Series N, Episode 2, ’North Norse’ with Sandi Toksvig, Alan Davies, Lucy Beaumont, Rhod Gilbert and Jason Manford.