Broadcast and release dates

Shetland: Series 4 episodes and locations

The 56 aired episodes span series one to ten. The first series is a two-part story, the second contains three two-part adaptations, and series three onwards use six-part serials.

Shetland

Series 4

  1. Series 4, Episode 1 · 13 February 2018

    Series 4 Episode 1

    A conviction overturned after more than two decades returns Thomas Malone to Shetland and forces Perez to reopen a teenage girl’s murder.

  2. Series 4, Episode 2 · 20 February 2018

    Series 4 Episode 2

    Tosh follows an energy-company lead while Perez investigates an attack and the older case produces unexpected forensic evidence.

  3. Series 4, Episode 3 · 28 February 2018

    Series 4 Episode 3

    Tosh travels to Norway to pursue a lead, while Perez questions Donna about the implications of the forensic results.

  4. Series 4, Episode 4 · 6 March 2018

    Series 4 Episode 4

    Perez and Tosh continue pursuing their Norwegian lead despite pressure to withdraw, while Shetland gathers to remember Sally.

  5. Series 4, Episode 5 · 13 March 2018

    Series 4 Episode 5

    An attack changes the direction of the inquiry as mainland investigators arrive and Tosh begins questioning someone’s account.

  6. Series 4, Episode 6 · 20 March 2018

    Series 4 Episode 6

    Perez confronts uncomfortable possibilities raised by historical evidence as the investigation reaches into relationships close to home.

BBC programme references accompany the entries. Broadcast dates are cross-checked against published UK listings, including the postponed 28 February 2018 episode. Series-level filming evidence is not treated as an individual episode location.