What are some lesser-known obscure TV series that went under the radar, that you would recommend?

I see you, and raise you:

• Snuffbox
• Flowers

Blood. Blood. BLOOD. Blood.

Garth Marenghi’s Dark Place

Now that’s an obscure gem and suddenly I want to hear that 80s synth song from Matt Berry https://www.youtube.com/watch?v=OO-ZGP68-3w