Watch Series: The Great Model Railway Challenge Released in (2018) - Season 1 produced by UK, and content rating 1h with duration 60 min broadcasted as these networks Channel 5, Streamed at Putlocker Teams of the UK's most talented model railway enthusiasts compete in a series of knockout heats to create amazing miniature masterpieces on specific themes against the clock. Expert judges determine who will go on to the next round. - Season 1