Teaser trailer released for series 3 of Channel 5 drama The Teacher
The anthology series continues
Last updated 4th Mar 2026
Following the success of series one in 2022, starring Sheridan Smith and Kelvin Fletcher, Channel 5 bosses were quick to renew drama series The Teacher, with the second series landing in 2024 featuring Kara Tointon and Will Mellor.
Over one year later, Channel 5 announced a third instalment of the anthology drama had been commissioned, set to air in 2026. Now, as Spring fast-approaches, bosses have shared the first teaser trailer - which sees actress Victoria Hamilton in the lead role.
What is The Teacher?
The Teacher is a popular drama series which originally aired on Channel 5. Whilst series one aired in January 2022, series two was released on Monday 9th September 2024.
Series one saw actress Sheridan Smith play a school teacher called Jenna Garvey, who was later accused of having sex with one of her 15-year-old pupils, following a drunken night out on the town.
Series two followed Kara Tointon's character Dani have an impulsive affair with a work colleague (Will Mellor), which spirals out of control and takes a sinister twist.
What is series three about?
Channel 5 say of the series three plot: 'Recently promoted to Head of Drama, Helen finds herself being challenged by outspoken pupil Cressida when she stumbles over student Dee’s correct pronouns. Helen insists that her class study Shakespeare as opposed to more modern progressive works.
'A sinister grudge match quickly develops between teacher and pupil and, when Dee takes her own life following an argument with Helen, Cressida resorts to blackmail to make Helen pay for her outdated views'.
Is there a trailer?
The first teaser trailer for series three was released in early March 2026, showing drama teacher Helen getting into a disagreement with one of her pupils, accusing her of 'performing for attention',
Following Helen's rant, the pupil replies saying: "You need to remember who you are talking you."
The caption reads: 'Helen’s dedicated her life to teaching, but what happens when the classroom turns against her? A new story, a new cast, the same gripping drama'.
Watch the teaser trailer below:
When is it out?
There's no exact start date for series three, but Channel 5 have said it's 'coming soon'.
How can I watch it?
Just like the first two series, the third instalment of The Teacher will air on Channel 5.
You can watch both series of The Teacher on Channel 5's streaming service now.
Who is in the cast for series three?
Victoria Hamilton, best known for her roles in Doctor Foster, Life, Slow Horses and Unforgotten, plays the lead role of respected drama teacher Helen.
Channel 5 are yet to announce any further casting details for series three.
Series one featured Sheridan Smith and Kelvin Fletcher in main roles, whilst series two saw Kara Tointon, Will Mellor and Emmett J. Scanlan take the lead.
The Teacher series three will arrive on Channel 5 in the coming months.
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