| Dreaming the Impossible: Unbuilt Britain | 3/3. A Revolution in the City: Olivia Horsfall Turner looks at plans to reconstruct 17th-century London and 1940s Glasgow by Sir Christopher Wren and Robert Bruce respectively. Also in HD. [S] | Tue, Mar 6, 11:00 pm | BBC FOUR | 60 mins |
| Dreaming the Impossible: Unbuilt Britain | 2/3. Making Connections: Olivia Horsfall Turner looks at two abandoned civil engineering projects - a ship canal across central Scotland and the first attempt at a Channel Tunnel. Also in HD. [S] | Tue, Feb 27, 11:00 pm | BBC FOUR | 60 mins |
| Dreaming the Impossible: Unbuilt Britain | 3/3. A Revolution in the City: Olivia Horsfall Turner looks at plans to radically reconstruct 17th-century London and 1940s Glasgow by Sir Christopher Wren and Robert Bruce respectively. [S,SL] | Fri, May 26, 2:40 am | BBC FOUR | 60 mins |
| Dreaming the Impossible: Unbuilt Britain | 3/3. A Revolution in the City: Olivia Horsfall Turner looks at plans to reconstruct 17th-century London and 1940s Glasgow by Sir Christopher Wren and Robert Bruce respectively. Also in HD. [S] | Wed, May 24, 8:00 pm | BBC FOUR | 60 mins |
| Dreaming the Impossible: Unbuilt Britain | 2/3. Making Connections: Olivia Horsfall Turner looks at two of the most radical civil engineering projects proposed in the last century - a ship canal in Scotland and the Channel Tunnel. [S,SL] | Fri, May 19, 2:45 am | BBC FOUR | 60 mins |
| Dreaming the Impossible: Unbuilt Britain | 2/3. Making Connections: Olivia Horsfall Turner looks at two abandoned civil engineering projects - a ship canal across central Scotland and the first attempt at a Channel Tunnel. Also in HD. [S] | Wed, May 17, 8:00 pm | BBC FOUR | 60 mins |
| Dreaming the Impossible: Unbuilt Britain | 1/3. Glass Houses: Olivia Horsfall Turner explores how architects Joseph Paxton and Geoffrey Jellicoe planned to use glass to solve London's pollution and congestion problems. [S,SL] | Fri, May 12, 2:45 am | BBC FOUR | 60 mins |
| Dreaming the Impossible: Unbuilt Britain | 1/3. Glass Houses: Olivia Horsfall Turner explores how architects Joseph Paxton and Geoffrey Jellicoe planned to use glass to solve London's pollution and congestion problems. [S,SL] | Fri, May 12, 2:35 am | BBC FOUR | 60 mins |
| Dreaming the Impossible: Unbuilt Britain | 1/3. Glass Houses: Olivia Horsfall Turner explores how architects Joseph Paxton and Geoffrey Jellicoe planned to use glass to solve London's pollution and congestion problems. Also in HD. [S] | Wed, May 10, 8:00 pm | BBC FOUR | 60 mins |