“The great American art form isn’t music or film or television,” says a podcast host in “Based on a True Story,” a new dark comedy on Peacock. “The great American art form is murder. Forget the surfeit of murder podcasts that “Based on a True Story” satirizes, however fitfully. “Based on True Story” is not even the first TV comedy about a fictional murder podcast. (Steve Martin and Martin Short would like a word.)

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Persons: ”, “, Steve Martin, Martin, Craig Rosenberg, Kaley, Nathan, Chris Messina, sleuths, Matt, Tom Bateman, Peacock, it’s Locations: Los Angeles