Aired Wednesday 6 May, 7:00pm - 7:30pmon BBC Two

Iolo's River Valleys

Name: 7:00pm - Series 2 Episode 4
Start: 2026-05-27T18:00:00Z
End: 2026-05-27T18:30:00Z
Location: BBC Two HD

Series 2 Episode 1: Usk

Iolo Williams explores the Usk valley, from Newport's urban wildlife to ground-nesting birds, a huge lesser horseshoe bat roost and scarce firecrests.

Category: Documentary / Nature
Original air date: 06/05/2026

Cast and crew

Osian GriffithsDirector
Iolo WilliamsHost

Upcoming broadcasts

Wednesday 27 May, 12:00amon BBC Two
Series 2 Episode 3
Wednesday 27 May, 12:00amon BBC Two HD
Series 2 Episode 3
Wednesday 27 May, 7:00pmon BBC Two
Series 2 Episode 4
Wednesday 27 May, 7:00pmon BBC Two HD
Series 2 Episode 4