The BEST episodes of Hidden (2018) season 1

Every episode of Hidden (2018) season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Hidden (2018) season 1!

Sian Reese-Williams stars as DI/DCI Cadi John in this detective drama series set in north Wales. Each series revolves around a different murder. The series, filmed in Bangor and Snowdonia, was initially broadcast in Welsh on S4C and was later shown by the BBC in a bilingual Welsh/English version.

Last Updated: 12/10/2025Network: S4CStatus: Ended

7.65

173 votes

#1 - Episode 7

Season 1 - Episode 7 - Aired 2/18/2018

Cadi and Owen search for new evidence in Endaf's case, which was originally headed by Cadi's father Huw. Dylan works with Matthew at his yard. Megan tries connecting with Nia.

Watch Now:Amazon

7.63

162 votes

#2 - Episode 8

Season 1 - Episode 8 - Aired 2/25/2018

With Dylan on the run, the investigating team attempt to put together an exact timeline of his actions and find further evidence.

Watch Now:Amazon

7.43

179 votes

#3 - Episode 3

Season 1 - Episode 3 - Aired 1/21/2018

Marc is questioned by the police. Cadi avoids talking to her father or sisters about his condition. Megan tries to take catch up with her schoolwork but Ffion notices something's wrong. Sara visits Lea, Mali's sister.

Watch Now:Amazon

7.40

166 votes

#4 - Episode 6

Season 1 - Episode 6 - Aired 2/11/2018

Cadi questions Endaf in prison about the murder he was convicted for. Owen reviews the older case files and receives a new missing persons report. Iona visits Megan.

Watch Now:Amazon Apple TV

7.31

194 votes

#5 - Episode 2

Season 1 - Episode 2 - Aired 1/14/2018

Cadi and Owen investigate a possible link to another girl who disappeared. Megan hides her difficulties from friends and family. Dylan takes an interest in Lowri.

Watch Now:Amazon Apple TV

7.30

165 votes

#6 - Episode 5

Season 1 - Episode 5 - Aired 2/4/2018

Cadi and Owen discover a possible connection to an old case, which Cadi's father investigated. Lowri tries to return to her normal routine.

Watch Now:Amazon Apple TV

7.22

177 votes

#7 - Episode 4

Season 1 - Episode 4 - Aired 1/28/2018

Dylan and Iona clash regarding Megan. Mari and Ryan continue the questioning procedure, but Mari deviates from protocol.

Watch Now:Amazon Apple TV

7.13

277 votes

#8 - Episode 1

Season 1 - Episode 1 - Aired 1/7/2018

When the body of a young woman is found in a local river, it becomes obvious that sinister secrets lie within the stunning North Wales scenery. Cadi's world - and the world around her - is changed forever.

Watch Now:Amazon Apple TV