Below is a complete Watercolour Challenge episode list that spans the show's entire TV run. Photos from the individual Watercolour Challenge episodes are listed along with the Watercolour Challenge episode names when available, as are the dates of the original airing of the episode. Watercolour Challenge episodes from every season can be seen below, along with fun facts about who directed the episodes, the stars of the and sometimes even information like shooting locations and original air dates. This list includes “Series 3, Show 26,” “Series 3, Show 45” and more. Are you remembering a funny scene but can't think of the name that the Watercolour Challenge episode is from? Scroll below and you'll find what you're looking for.