For those who felt season three was too dark, four offers a welcome corrective. There's still plenty of angst--Jenny's memoir meets with a few negative notices (Heather Matarazzo's journalist pens the harshest critique) and Helena (Rachel Shelley) learns to live without Mommy's money--but there are plenty of moving moments to compensate (most revolving around Shane and Shay). New additions also arrive to shake things up, like Marlee Matlin as an artist who helps Bette to broaden her horizons, Kristanna Loken as a single mother with a yen for Shane, and Rose Rollins as an Iraq War veteran with whom Alice has a tryst (leading to a well intentioned, if heavy-handed message about how even liberals should support the troops). As in seasons past, the directorial line-up impresses as much as the acting talent, and includes Oscar winner Marleen Gorris (Antonia's Line) and playwright Moisés Kaufman (The Laramie Project). Since creator Ilene Chaiken makes most special features, like deleted scenes, available online, this set offers few extras, other than biographies, a photo gallery, and episodes of The Tudors and Californication. --Kathleen C. Fennessy