Watch Under Investigation Online
Under Investigation — Documentary, Crime. Watch Under Investigation online on Sparkle TV in 4K Ultra HD, with no downloads and no buffering.
What is Under Investigation about?
Former police officer Johnny Brenna and his investigation team are tasked with solving cases that the police have closed.
Latest episode
S1 · Episode 10 — Episode 10 · 2026-05-05
- Genres
- Documentary, Crime
- First aired
- 2026-03-03
- Rating
- ★ 6.0 / 10
Top cast
- Johnny Brenna Self
How to Watch Under Investigation on Sparkle TV
Watching Under Investigation on Sparkle TV takes about a minute: start a free trial, open the app on your TV, phone, Fire Stick or browser, and press play — all in 4K Ultra HD.
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