TV Devon and Cornwall - Season 4 Episode 3 : Episode 3 Devon and Cornwall - Season 4 Episode 3 : Episode 3 /10 by 0 users A steam engine enthusiast embarks on an ambitious journey across Devon in an 80-year-old steamroller. Near Falmouth, two champion free divers explore a spectacular underwater cave. Details Casts Posters Images Title Devon and Cornwall - Season 4 Episode 3 : Episode 3 Alternative Titles First Air Date 2019-04-01 Last Air Date 2022-06-17 Number of Episodes 24 Number of Seasons 5 Genres Documentary, Reality, Networks Channel 4, More4, Casts John Nettles Plot Keywords , Self - Narrator John Nettles Episodes List Devon and Cornwall Season 4 :Episode 1 Episode 1 Episode 1 2021-06-21 Daily life in the beautiful south west - from the viewpoint of locals, villagers, farmers, fishermen, shop-keepers and the tourist industry. Devon and Cornwall Season 4 :Episode 2 Episode 2 Episode 2 2021-06-28 Daily life in the beautiful south west - from the viewpoint of locals, villagers, farmers, fishermen, shop-keepers and the tourist industry. Devon and Cornwall Season 4 :Episode 3 Episode 3 Episode 3 2021-07-05 Daily life in the beautiful south west - from the viewpoint of locals, villagers, farmers, fishermen, shop-keepers and the tourist industry. Devon and Cornwall Season 4 :Episode 4 Episode 4 Episode 4 2021-07-12 Daily life in the beautiful south west - from the viewpoint of locals, villagers, farmers, fishermen, shop-keepers and the tourist industry.