Rubuta ci gaba don wannan sakin layi - An haifi Watson a Bristol ga mahaifiyar Welsh da mahaifin Ingilishi. Yana da 'yan'uwa mata tagwaye masu suna Emma da Lucy da ɗan'uwa, Paul. Ya halarci makarantar Henleaze Junior sannan kuma makarantar Bristol Grammar, makarantar rana mai zaman kanta inda ya lashe kyautar 'Gabbler of the Year', kafin ya tafi Kwalejin Queens, Cambridge, inda ya yi karatun Turanci, ya kammala karatu tare da girmamawa na farko. A jami'a ya kasance memba na Footlights kuma zamani na Stefan Golaszewski, Tim Key da Dan Stevens. Ya kasance wani ɓangare na bita wanda aka zaɓa don mafi kyawun sabon shiga a cikin kyautar Perrier Comedy Award
S a 2001 Edinburgh Festival Fringe kuma ya kuma gudanar da bita tare da Key.