

2025–2025 · 5 · Ended
A splashy seaside hotel becomes the centre of a bitter family dispute as matriarch Helen refuses to sell, despite pressure from her three adult children. But Helen is hiding a secret: a daughter she gave up for adoption decades ago. When Amanda suddenly appears, Helen welcomes her with open arms— but is Amanda who she says she is? The lucrative hotel is the ultimate prize and a twisted scheme soon spirals into betrayal and ultimately, murder.
Monday, Tuesday, Wednesday, Thursday at 21:00 (Europe/London)
This series has ended.
Last aired
S01E04 · Episode 4
2025-12-18
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Episode 1
2025-12-15 · 60 min
Episode 2
2025-12-16 · 60 min
Episode 3
2025-12-17 · 60 min
Episode 4
2025-12-18 · 60 min
Kabir Singh
Lee
“A twisted family betrayal”: The Imposter is Channel 5’s Succession-like drama where no one can be trusted
Good Housekeeping · Dec 15, 2025
The Imposter ending explained: Who dies as the truth of Amanda’s lies are exposed?
Radio Times · Dec 18, 2025
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Tom's Guide · Dec 17, 2025
The Imposter (TV Mini Series 2025) - Videos
IMDb · Dec 17, 2025
The Imposter Marks Dannii Minogue’s First Acting Role Since Home And Away
TV Choice · Jan 15, 2026
The Imposter ending explained: Who survived and who didn’t
The Economic Times · Dec 19, 2025
The Imposter fans think they've worked out who Dannii Minogue is playing
Digital Spy · Dec 16, 2025
New Channel 5 drama The Imposter with Kym Marsh has landed
Rayo · Dec 15, 2025