The BEST episodes of Silent Witness season 20

Every episode of Silent Witness season 20, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Silent Witness season 20!

Forensic pathologists face personal and professional challenges in a moody, tense thriller that moves from the crime scene to the lab.

Last Updated: 7/15/2025Network: BBC OneStatus: Continuing
Awakening (2)
star
7.82
231 votes

#1 - Awakening (2)

Season 20 - Episode 10 - Aired 1/31/2017

With Nikki locked in a struggle for survival, Jack must use all of his abilities to track her down. When a mysterious person calls to make demands in return for Nikki's release, Jack's moral principles are put to the test. And with life and death in the balance, every decision counts.

Directors: Dudi Appleton
Watch Now:Apple TV
Covenant (2)
star
7.68
212 votes

#2 - Covenant (2)

Season 20 - Episode 8 - Aired 1/24/2017

Nikki helps Becky come to terms with her trauma. Jack is paranoid that Clarissa will leave the Lyell Centre. Paul is in way over his head.

Directors: David Drury
Watch Now:Apple TV
Identity (2)
star
7.65
253 votes

#3 - Identity (2)

Season 20 - Episode 2 - Aired 1/3/2017

When Nikki, Jack and Thomas make a horrific discovery in the van, they are confronted with the work of a killer who preys on illegal immigrants. With the help of Clarissa, they must work out where the killer will strike next before more vulnerable people meet the same fate.

Directors: Stewart Svaasand
Watch Now:Apple TV
Covenant (1)
star
7.59
231 votes

#4 - Covenant (1)

Season 20 - Episode 7 - Aired 1/23/2017

When an East End father and son are killed in a shocking road accident, Nikki and Jack find themselves working alongside a police officer with a vendetta. Clarissa summons her husband Max, a digital forensics expert, to help crack the case - and uncovers disturbing video evidence.

Directors: David Drury
Watch Now:Apple TV
Remembrance (2)
star
7.55
206 votes

#5 - Remembrance (2)

Season 20 - Episode 6 - Aired 1/18/2017

Nikki is under fire for leaking information on a suspect, and Thomas is called in to play peacemaker. Jack and DI Ashton track down the mystery witness. Before the killer strikes again, the team must uncover the true story of Ruth Tresize's disappearance three years earlier.

Directors: David Richards
Watch Now:Apple TV
Identity (1)
star
7.47
267 votes

#6 - Identity (1)

Season 20 - Episode 1 - Aired 1/2/2017

When a people smuggler is found dead in the City, Nikki must delve into London's illegal immigrant community. She meets a vulnerable Syrian teen called Akka who is in need of help, putting Nikki in a moral dilemma - and the killer is still on the loose.

Directors: Stewart Svaasand
Watch Now:Apple TV
Discovery (2)
star
7.46
227 votes

#7 - Discovery (2)

Season 20 - Episode 4 - Aired 1/10/2017

Having found a link between the two cases, the team struggles to make sense of it. Nikki visits a disgraced former colleague who may hold the key. Thomas uncovers the bizarre truth about how Tina died.

Writer: Ed Whitmore
Watch Now:Apple TV
Awakening (1)
star
7.44
235 votes

#8 - Awakening (1)

Season 20 - Episode 9 - Aired 1/30/2017

Nikki travels to Mexico when her friend is killed in a carjacking, but she soon makes a discovery that sets her on a collision course with some dangerous and unpredictable forces. Thomas sends Jack to bring Nikki back, but soon he is knee-deep in the unfolding situation.

Directors: Dudi Appleton
Watch Now:Apple TV
Discovery (1)
star
7.42
243 votes

#9 - Discovery (1)

Season 20 - Episode 3 - Aired 1/9/2017

When a photogenic young schoolteacher goes missing, Jack and Nikki are called to the scene and quickly find themselves at the centre of a media storm. Meanwhile, Thomas fights a lone crusade for justice for a troubled young woman who was killed in puzzling circumstances.

Writer: Ed Whitmore
Watch Now:Apple TV
Remembrance (1)
star
7.40
228 votes

#10 - Remembrance (1)

Season 20 - Episode 5 - Aired 1/16/2017

A woman's body found floating in the Thames leads Nikki and Jack to a community on the banks of the River Lee. Three years ago a teenager called Ruth Tresize went missing from the area, leaving the locals haunted by suspicion and grief. A fresh spate of killings reopens these old wounds.

Directors: David Richards
Watch Now:Apple TV