Jon Hamm’s new Apple TV+ series is a hit, but the program that made him famous is still the one drama show you should be watching in May.

The Red Feather Society, comprising donors of $1,000-$9,999 yearly, was founded in 1987 as a way to promote and reward philanthropy and volunteerism.

First-time Bafta TV awards host Alan Cumming had cautioned viewers against expecting wall-to-wall jokes. “I don’t see it as a ...