7.2/10328 votes#1 - Thicker Than Water
Season 4 Episode 1 - Aired 8/12/2021
As the various members of the Galloway family gather to depart for their annual reunion, years-long tensions and rivalries flare up, as they arrive at the private island home of patriarch Spencer. After receiving shocking news about his end-of-life plans, the group is faced with the resumption of a long-dormant round of cruel family competitions from the past.
Director: N/A
Writer: N/A
7.6/10260 votes#2 - The Sins of the Father
Season 4 Episode 2 - Aired 8/12/2021
Shocking revelations make the Galloway family competition even more difficult, as grizzly discoveries and panic grip the family, and the killer claims the first victims. Meanwhile, suspicions start to mount against one outsider following an unexpected reveal.
Director: N/A
Writer: N/A
7.6/10242 votes#3 - In Trust
Season 4 Episode 3 - Aired 8/19/2021
Reeling from witnessing a gruesome murder, the remaining Galloway family regroup to try and escape the island. But they quickly realize the competition can’t be stopped, no matter what. Seamus and Christy’s marriage tensions drive them further apart as more secrets from the past are revealed.
Director: N/A
Writer: N/A
7.5/10229 votes#4 - Upstairs Downstairs
Season 4 Episode 4 - Aired 8/26/2021
Paranoia and suspicion grow among the surviving group, as another body is discovered and terrible secrets from the past come to the surface.
Director: N/A
Writer: N/A
7.9/10231 votes#5 - Family Ties
Season 4 Episode 5 - Aired 9/2/2021
Still reeling from Birgit’s confession, Vincent takes his anger out on a panicked Liv, who searches for her missing mother with Theo. With Florence still focused on Vincent, O’Keefe looks for maternal comfort from Grace. The next contest for the family brings new allegiances and stunning betrayals, as Florence makes a horrific sacrifice to save her own skin.
Director: N/A
Writer: N/A
7.9/10240 votes#6 - Face Time
Season 4 Episode 6 - Aired 9/9/2021
After discovering Florence’s selfish crime, Theo takes matters into his own hands in dealing with his wicked mother. Christy learns more about Aphra’s past, with grisly results.
Director: N/A
Writer: N/A
7.5/10206 votes#7 - Goldfinger
Season 4 Episode 7 - Aired 9/16/2021
Despite their shared penchant for bloodshed, The Gentleman doesn’t spare Aphra from a gory death. Leaving only Grace, Theo, Vincent, and Liv in the competition, Grace finds herself outnumbered and fights to continue the competition, leading to another elimination and the unmasking of The Gentleman.
Director: N/A
Writer: N/A
6.9/10248 votes#8 - Kindred
Season 4 Episode 8 - Aired 9/16/2021
After revealing The Gentleman’s true identity, Theo, Vincent, and Liv face horrific truths about the competition and their family, and the heir to the Galloway fortune claims their prize.
Director: N/A
Writer: N/A
The Best Episodes of Slasher Season 4
Every episode of Slasher Season 4 ranked from best to worst. Discover the Best Episodes of Slasher Season 4!
Thirty years ago, in the sleepy community of Waterbury, a killer known as “The Executioner” murdered Sarah Bennett's parents. Now Sarah and her husband Dylan...
Genres:MysteryCrimeDrama
Season 4 Ratings Summary
"Thicker Than Water" is the best rated episode of "Slasher" season 4. It scored 7.2/10 based on 328 votes. Directed by N/A and written by N/A, it aired on 8/12/2021. This episode is rated 0.4 points higher than the second-best, "The Sins of the Father".