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The series are the now retired "Dharma and Greg" and the upcoming "Accidentally on Purpose." And Arts and Entertainment Editor Bob Sokolsky says it is easy to be confused by them.

That's because Jenna Elfman stared in "Dharma." She played a yoga instructor and the character was a ditz. She also stars in "Accidentally," playing a movie critic. And the character is also a ditz.

However, Sokolsky notes, she is a ditz with a problem. It comes after a casual date with a young chef, played by Jon Foster, leads to a pregnancy. All the usual complications follow and all the usual sitcom characters show up.

Sokolsky says much of this is handled in "a better than expected fashion," thanks primarily to cast members who rise above the material they have to work with.

Besides, he adds, there may be some extra diversions to entertain viewers. Like the Meg Ryan jokes. And he suggests seeing how many of them can be found in the series' first episode.