BBC Four (BBC 4) TV Guide: Listings, Schedule & What’s On BBC Four Tonight

BBC Four is the BBC’s home for arts, culture, history, music and archive documentary, and unlike almost everything else on the electronic programme guide it simply isn’t there during the day. Nothing before 7pm. The schedule opens on the short “This is BBC Four” ident and runs to the small hours, and CBeebies takes the channel back at 6am. It sits on Freeview channel 9, carries no advertising because the licence fee pays for it, and puts more or less everything it broadcasts onto BBC iPlayer afterwards. Tonight, Tuesday 18 August 2026, the channel opens with a pair of factual shorts before turning to comedy: The Architecture the Railways Built at 7pm and The Flying Gardener at 7:45pm come first, then To the Manor Born and Keeping Up Appearances share the 8pm half hour between them. From 9pm the schedule goes back to documentary, with an hour on the BBC’s photography archive followed by a wider history of British photographers, before the night closes out on plant science and soil. Full breakdown below.

BBC Four Schedule: Tuesday 18 August 2026 (Full Listings)

Here is the complete BBC Four schedule for Tuesday 18 August 2026, on Freeview 9.

Overnight

Morning

Early evening

Primetime

Late night

BBC Four tonight — primetime and the evening schedule

Here’s the BBC Four primetime line-up for tonight, Tuesday 18 August 2026.

This is BBC Four — BBC Four, 6:58pm

The two-minute ident that opens every BBC Four evening, and the cue that closedown is over for another day.

The Architecture the Railways Built — BBC Four, 7pm

The Architecture the Railways Built (series 1, episode 4) opens the night. Presenter Tim Dunn spends the half hour on the buildings the railway network needed rather than the trains themselves: stations, viaducts, hotels and the odd Turkish bath, built because a line happened to pass nearby.

The Flying Gardener — BBC Four, 7:45pm

Chris Beardshaw’s quarter-hour garden strand fills the gap before 8pm.

To the Manor Born — BBC Four, 8pm

To the Manor Born (series 1, episode 3) is next, Penelope Keith’s widowed Audrey fforbes-Hamilton still adjusting to life without the family estate she was forced to sell to Peter Bowles’s supermarket magnate next door.

Keeping Up Appearances — BBC Four, 8:30pm

Keeping Up Appearances (series 4, episode 2) follows straight after. Patricia Routledge’s Hyacinth Bucket needs no introduction to anyone who has ever had BBC Four on of an evening, and this pairing with To the Manor Born is a familiar one for the channel.

On Camera: Photographers at the BBC — BBC Four, 9pm

The evening turns to documentary at 9pm with On Camera: Photographers at the BBC, built from archive interviews with photographers the corporation has had in front of its own cameras over the decades, among them Norman Parkinson, David Bailey, Eve Arnold, Jane Bown, Henri Cartier-Bresson and Martin Parr.

Britain in Focus: A Photographic History — BBC Four, 10pm

Britain in Focus: A Photographic History (series 1, episode 1) picks up the photography theme for the second hour, presented by Eamonn McCabe, tracing how the camera has recorded — and changed — the way Britain sees itself.

The Secret Genius of Plants — BBC Four, 11pm

The Secret Genius of Plants (series 1, episode 1) shifts the mood entirely at 11pm, an hour on plant biology that argues there’s more going on in a flowerbed than most viewers give it credit for.

Deep Down and Dirty: The Science of Soil — BBC Four, 11:55pm

Chris Beardshaw returns for the closing slot, this time underground rather than in the borders, with Deep Down and Dirty: The Science of Soil examining what’s actually in the ground beneath a garden.

What kind of shows are on BBC Four

Documentaries, history and the natural history archive

This is the backbone of the schedule. Attenborough series like Life on Earth sit alongside Natural World instalments and long-running science and history strands. Very little of it is new. Most has already had at least one outing on BBC One or BBC Two, and BBC Four is where it airs again a few years later.

Music archive: Top of the Pops and BBC Four Sessions

On plenty of nights the schedule turns to music once the evening’s main strand is done, with vintage Top of the Pops and Old Grey Whistle Test repeats among the regulars and the odd BBC Four Sessions recording running into the small hours. Some of those performances aren’t shown anywhere else on television. Tonight the archive takes over even earlier than usual, filling most of primetime rather than just the tail end of it.

Tonight’s mix: railways and sitcoms give way to photography and plant science

Tonight opens with two short factual pieces, Tim Dunn on railway buildings and Chris Beardshaw in the garden, before the 8pm hour hands over to comedy: To the Manor Born and Keeping Up Appearances back to back, a pairing BBC Four returns to often enough that regular viewers will recognise the rhythm. From 9pm the channel goes back to documentary for two hours, first a history of the BBC’s own photographers, then a broader survey of British photography, before closing on plant biology and, at five to midnight, soil science. Earlier, before this evening’s schedule begins, the small hours carry a repeat run of The Flying Gardener, an episode of The Art of Spain, an instalment of Art and Design: The Journey and Sona Datta’s Michelangelo film from the Art on the BBC strand, before the ident returns and the channel goes off air until 7pm.

How to watch BBC Four

Channel numbers

Here’s where to find BBC Four across the main UK television platforms:

BBC Four is free to watch on all of the above, though you’ll need a valid UK TV licence to watch it live, the same as any other BBC channel. Virgin Media and Freesat numbers can shift slightly by region, so your on-screen guide is the definitive source if these don’t quite match.

Streaming online

BBC Four streams live and free through BBC iPlayer, on smart TVs, phones, tablets, games consoles and in a browser at bbc.co.uk/iplayer. You’ll need a free BBC account to sign in. Once you’re in, BBC Four sits with the other BBC channels under the “Channels” tab, and its archive series are browsable separately.

BBC Four and BBC iPlayer

The live broadcast runs on iPlayer in full, so anything between 7pm and closedown can be watched as it goes out or picked up shortly after. The archive is the more useful half, though. It reaches a long way past whatever fits into one evening: full Attenborough box sets, older documentary strands that stopped getting a repeat slot years ago, music collections that only surface on air at two in the morning. If you like the idea of BBC Four more than you like remembering to switch it on at 9pm, that is where to start.

Frequently asked questions

Does BBC Four have adverts?

No. It’s funded by the licence fee, so there are no ad breaks anywhere in the schedule.

Is BBC Four free to watch?

There’s no separate subscription for BBC Four itself, but you do need a TV licence to watch it live, or to watch most of it back on iPlayer, the same as any other BBC channel.

What is the relationship between BBC Four and BBC Three?

Shared history rather than a shared schedule. BBC Three closed as a broadcast channel in 2016 and spent six years online-only before returning to linear TV in February 2022. That return reshuffled channel numbers on some platforms; on Virgin Media, the two now sit next to each other at 107 and 108. Over roughly the same stretch BBC Four stopped commissioning much new original programming and moved towards repeats and archive. The nightly live broadcast never went away.

Verdict

BBC Four is one of the better-value channels on British free television, provided you know what you’re going there for. Most nights, nothing on it is new. What’s on it is a decent share of the best things the BBC has ever made, given a proper repeat run years after it first went out.

Tonight runs true to that pattern rather than against it. Nothing in the line-up is new: the railways short and the garden strand are established series doing another lap, To the Manor Born and Keeping Up Appearances are both well into their fourth decade of repeats, and the photography and plant documentaries that fill the back half of the evening have both had earlier outings elsewhere on the BBC. It’s a fair snapshot of an ordinary Tuesday on the channel, sitcom nostalgia giving way to a couple of solid factual hours rather than anything built specifically for the night.

Related: What’s On TV Tonight | BBC One TV Guide | Films on TV This Week