Great Canal Journeys (UK)
Husband and wife Timothy West and Prunella Scales (Fawlty Towers) glide into their later years by sharing their love of piloting canal boats through some of the most beautiful canals in the world.
This show is so relaxing and genuine. It's more like their personal home movies than a travel show. I haven't watched the later seasons, yet. But it was revealed early on that Prunella was beginning to suffer from dementia due to Alzheimer's disease. While it slows them up a bit, they push push on with their adventures in the most English manner imaginable.