Ellen Gray's TV Picks: 'The Good Wife,' 'Penny Dreadful,' 'Houdini & Doyle,' American Masters: Janis Joplin, 'Grace and Frankie'

The Good Wife.

Only one episode until the Mother's Day series finale. Is Peter going back to prison? Isn't this where we started? 9 p.m. Sunday on CBS.

Penny Dreadful. Season 3 of the Gothic horror series premieres. 10 p.m. Sunday on Showtime.

Houdini & Doyle. Even Harry Houdini (Michael Weston, House) can't escape TV's demand for amateur detectives in this period procedural that celebrates the magician's friendship with Sherlock Holmes creator Arthur Conan Doyle (Stephen Mangan, Episodes), X-Files-style. 9 p.m. Monday on Fox.

American Masters - Janis: Little Girl Blue. Singer-songwriter Janis Joplin, who died in 1970 at 27, is profiled. 8 p.m. Tuesday on WHYY12.

Grace and Frankie. Jane Fonda and Lily Tomlin return as women whose exes (Martin Sheen and Sam Waterston) left them for each other. As the men's wedding nears, a crisis brings their families running. Friday on Netflix.