I loved Police Squad!

Police Squad! was cancelled because the viewer had to watch it in order to appreciate it
[Via Boing Boing]

Police Squad!, which hit the air in the fall of 1982, was a thirty-minute comedy on ABC created by Zucker Abrahams and Zucker, who’d had enormous success two years earlier with Airplane!

[More]

Just required too much intelligence and attention for the audience at the time. It would do great today.