48 Hours

Programme Overview

Knock Knock is a gripping single‑episode drama on Cardiff TV that poses a tantalising question: can a modern podcast paired with a determined detective, armed with cutting‑edge technology, crack a stone‑cold double murder? This concise yet compelling instalment blends investigative journalism with high‑tech sleuthing, offering viewers a fresh take on the classic murder mystery format.

What to Expect

In this episode, the narrative centres on the unlikely partnership between a podcast host and a driven detective. Together they delve into a baffling double homicide that has remained unsolved for years. The story unfolds through a mix of audio‑driven storytelling and visual investigative work, highlighting how contemporary tools can breathe new life into dormant cases. Audiences will be drawn into the methodical reconstruction of evidence, the strategic use of technology, and the relentless pursuit of truth.

Why Watch

British viewers who appreciate intelligent crime drama will find Knock Knock especially appealing. The programme showcases the evolving landscape of true‑crime storytelling, where podcasts and digital forensics intersect with traditional detective work. Its concise format makes it ideal for evening viewing, while the high production values and authentic investigative approach resonate with fans of both drama and documentary‑style entertainment.

Production and Broadcast Details

Produced for Cardiff TV, this episode is positioned as a standout feature within the channel’s schedule of British television programming. It exemplifies the network’s commitment to delivering original, locally‑produced content that engages a UK audience with relevant, contemporary themes. Viewers can expect a polished, well‑crafted narrative that reflects the quality standards of modern British TV.