Season 1
2017 • 6 Episodes
Season 1 of Secrets of the National Trust with Alan Titchmarsh premiered on February 7, 2017.
Season 2
2018 • 6 Episodes
Season 2 of Secrets of the National Trust with Alan Titchmarsh premiered on February 27, 2018.
Season 3
2018 • 6 Episodes
Season 3 of Secrets of the National Trust with Alan Titchmarsh premiered on June 27, 2018.
Season 4
2019 • 3 Episodes
Season 4 of Secrets of the National Trust with Alan Titchmarsh premiered on July 23, 2019.
Season 5
2020 • 5 Episodes
Season 5 of Secrets of the National Trust with Alan Titchmarsh premiered on November 17, 2020.