Pop Culture Roundup Sept. 4, 2007

Beatles researcher Doug Sulpy has revised and updated "Drugs, Divorce and a Slipping Image," his study of the Beatles' "Let it Be" sessions.

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Here's some preview pics from the upcoming season 2 debut of "Heroes."

Best "Heroes" Sites.

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The London Times profiles unsung hero of psychedelia Kevin Ayers.

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Here's the cover art for the first "Sarah Jane Adventures" DVD collection, due out in the U.K. next month.



No word on whether the "Doctor Who" spin-off will be available in the U.S.