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"Only Murders in the Building" returns with a second season that self-consciously plays to its strengths.

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while layering the new mystery laid out by its cliffhanger ending on top of the old one. 

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It's every bit as breezy and fun, with lots of winking references to "Season 2" (the podcast, naturally, but you get the idea). 

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Having solved the murder that occupied their first adventure, the unlikely trio of Charles (Steve Martin), Oliver (Martin Short) 

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and Mabel (Selena Gomez) turn their attention to the next one of their neighbors to turn up dead.  

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Plus, they have new cameos to spice up the proceedings, like Amy Schumer as Amy Schumer 

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who immediately pitches the beyond-receptive Oliver on the idea of transforming the podcast into a limited series, because, well, showbiz. 

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Being quirky can be harder than it looks, but the show nicely delivers on that -- employing shifting narrators 

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finding a new (and humiliating) acting job for Charles and extending odd flourishes like having Jane Lynch play his stunt double 

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"You can tell it's our second season," Oliver says at one point, referring to the podcast, but like everything else here