What's the Big Deal: Britain's Best Buys?: Story, Cast and Series Facts

Story and premise

Across each episode, Natalie explores four talked about products -  from ice baths to teeth-whiteners. With behind-the-scenes access to scientists, nutritionists and industry insiders, Natalie will investigate how these products actually work and which ones she thinks are worth the hype. 

As Natalie gathers intel from a raft of experts, six charismatic British households are road-testing these products for themselves at home, then they'll give their honest opinion on which ones they'd buy.

Series details

• Title: What's the Big Deal: Britain's Best Buys?
• Format: Reality
• Language: English
• Premiere date: 2025-04-04
• Status in TVmaze: Running
• Network listed by TVmaze: Channel 4
• Network country: United Kingdom
• Typical episode runtime: 60 minutes
• TVMaze ID: 78670
• IMDb ID: tt36506515
• TVDB ID: 462222

Cast and credited roles

• Natalie Cassidy — Presenter

Seasons in the TVmaze catalogue

• Season 1: premiered 2025-04-04; final listed air date 2025-04-25; episode order: 4.

Source and licence

Adapted from What's the Big Deal: Britain's Best Buys? on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.