Teams compete to build ingenious machines out of everyday objects in TV's most leftfield engineering show.
Richard Mark Hammond (born 19 December 1969) is an English presenter, writer, and journalist. He is most noted for co-hosting the car programme Top Gear with Jeremy Clarkson and James May, as well as presenting series 1–4 of Brainiac: Science Abuse on Sky1. He also co-hosted Total Wipeout with Amanda Byram on BBC One. Hammond presented Planet Earth Live alongside Julia Bradbury.