Aside from continuing series like Under Salt March and Astrid, we get a new espionage drama on ITV1 – Betrayal, starring Endeavour’s Shaun Evans. Elsewhere, Silent Witness is back for its 675th series, and there’s a new German thriller on Netflix. Enjoy!

1 Under Salt Marsh *NEW UK PREMIERE EPISODE*
S1 E3/6
When an illicit operation is uncovered, unrest spreads through the town. Jackie and Bull are forced into an uneasy alliance and share information while following separate leads. Jackie uncovers a lie at the heart of the investigation that tore her life apart three years ago, while Bull is forced to wrestle with his intimacy issues. Their fragile partnership is tested when Bull makes a horrifying new discovery.
Friday 6th February, 9pm, Sky Atlantic

2 Astrid: Murder In Paris *NEW UK PREMIERE EPISODE*
S5 E3/8
Commissioner Bachet asks a sceptical Raphaëlle to look into the strange case of a friend plagued by recurring nightmares about the murder of a Tibetan monk. Astrid immediately connects the dreams to the unsolved murder of a lama 20 years earlier. The team gradually uncover a Buddhist community’s most closely-guarded secrets, including one that leads directly back to Bachert.
Friday 6th February, 9pm, More4

3 Betrayal *NEW UK PREMIERE SERIES*
S1 E1/4
Veteran MI5 operative John Hughes is due to meet a British-Iranian informant who claims to have intelligence about a threat to national security, the man is killed before he can talk. All evidence points towards the death being a gangland dispute, but when John secretly meets with a source, the investigation brings him into dangerously close contact with a formidable Stockport gang.
Sunday 8th February, 9pm, ITV1

4 Mystery Road: Origin *NEW UK PREMIERE EPISODE*
S2 E5/6
The theft of old files leads to a familiar face, but learning of a local rivalry gives Jay a new suspect in the shooting. 
Thursday 5th February, 11.05pm, BBC Two

5 Silent Witness *NEW UK PREMIERE SERIES*
S29 E1&2/10
The forensic crime team return with five two-part stories that see Nikki, Jack and Harriet working out of a new base in Birmingham. Nikki and Jack hunt a suspected hitman, who later claims responsibility for a murder that gripped the nation, and which someone else is in prison for.
Monday 2nd and Tuesday 3rd February, 9pm, BBC One

6 After The Flood *NEW UK PREMIERE EPISODES* *LAST IN SERIES*
S2 E6/6
As the police search for Declan, a bombshell revelation threatens Jo and Pat’s investigation into Mackie, and the murderer is finally revealed.
Monday 2nd February, 9pm, ITV1

7 Grantchester *NEW UK PREMIER EPISODE*
S10 E6/8
Alphy remains undecided on his birthday about whether to open a letter his mother wrote when she left him as a baby or not. He plans to spend the evening alone, but Geordie has organised a surprise treat in the form of a gig. Local up-and-comers the Velvet Jacks are playing, but the evening is overshadowed when the band’s frontman is found dead as Geordie and Alphy soon uncover in-fighting amongst the group’s inner circle alongside a love triangle involving a female fan.
Wednesday 4th February, 9pm, ITV1

8 Unfamiliar *NEW UK PREMIERE SERIES*
S1 E1-6/6
German crime-drama centered on two former spies who are now on the run from hitmen, russian agents, jilted lovers, BND, all while trying to save their marriage.
Thursday 5th February, Netflix

9 Death In Paradise *NEW UK PREMIERE SERIES*
S15 E2/8
An exclusive couples retreat turns deadly when the therapist is drowned at sea during her evening swim. When fingermarks are found on the victim’s neck, Mervin confirms foul play was involved and suspicion soon shifts to her clients – two couples who have paid a small fortune to mend their fractured marriages. However, all four appear to have reliable alibis. Meanwhile, Mervin is determined to track down his brother, along with the possessions Solomon stole from him.
Friday 6th February, 9pm, BBC One

10 Foyle’s War *REPEAT*
S6 E2/3 Killing Time
Racial tensions erupt in Hastings when a black GI is suspected of murdering a local woman. The victim, an ex-lover of the suspect and the mother of his baby, was staying at a guest house where Samantha is assistant manager, and had been disowned by her family because of her mixed-race child. As Foyle investigates, he is not convinced the soldier could be capable of such a crime, and soon comes up against the might of the US Army as he tries to crack the case.
Monday 2nd February, 10pm, ITV3