The BEST episodes of Trigonometry

Every episode of Trigonometry ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Trigonometry!

Cash-strapped couple Gemma and Kieron open their apartment to a new flatmate, Ray – and realise the three of them were meant for each other.

Last Updated: 2/7/2024Network: BBC TwoStatus: Ended
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Episode 4
star
7.70
30 votes

#1 - Episode 4

Season 1 - Episode 4 - Aired 3/29/2020

Following Ray’s declaration the night before, Gemma and Kieran go ahead with their wedding day. Will the tension between the three come to a head in front of friends and family?

Watch Now:Amazon
Episode 3
star
7.67
33 votes

#2 - Episode 3

Season 1 - Episode 3 - Aired 3/22/2020

In the months before the wedding, Ray, Gemma and Kieran’s lives intertwine in new and unexpected ways.

Watch Now:Amazon
Episode 8
star
7.57
28 votes

#3 - Episode 8

Season 1 - Episode 8 - Aired 4/26/2020

The triad have never been happier, but a family tragedy throws everything up in the air. Gemma faces a possibility that she never dreamed of, and Ray makes a decision.

Directors: Stella Corradi
Watch Now:Amazon
Episode 7
star
7.50
28 votes

#4 - Episode 7

Season 1 - Episode 7 - Aired 4/19/2020

The café is under threat and Ray thinks she has the solution, but Gemma and Kieran aren’t sure. The triad come out to their friends and family, sparking some surprising reactions.

Directors: Stella Corradi
Watch Now:Amazon
Episode 6
star
7.33
27 votes

#5 - Episode 6

Season 1 - Episode 6 - Aired 4/12/2020

Ray’s mum, Mathilde, visits London for Ray’s birthday. It’s been a year since Ray left home and Mathilde tries to navigate the distance growing between her and her only child. Over a tense birthday dinner, Mathilde observes a new dynamic between Ray and her landlords.

Directors: Stella Corradi
Watch Now:Amazon
Episode 2
star
7.31
35 votes

#6 - Episode 2

Season 1 - Episode 2 - Aired 3/15/2020

Everyone is confused after their shared moment the night before. At work, Gemma gets a visit from her dad, Ray has a panic attack, and something goes wrong on Kieran’s shift.

Watch Now:Amazon
Episode 5
star
7.10
30 votes

#7 - Episode 5

Season 1 - Episode 5 - Aired 4/5/2020

The day after the wedding. Gemma and Kieran are due to go on their romantic honeymoon in Finland and Ray starts a new job.

Watch Now:Amazon
Episode 1
star
7.02
45 votes

#8 - Episode 1

Season 1 - Episode 1 - Aired 3/15/2020

In London, cafe owner Gemma and her paramedic boyfriend Kieran are barely making ends meet. Their new lodger Ray initiates an adventure nobody expected.

Watch Now:AmazonApple TV