Neighborhood Cats will be running workshops on the practice of TNR, or trap, neuter and return.
Reality TV star Mike "The Situation" Sorrentino cuddles with kittens shirtless in the ad.
Up to 75 animals will be treated at the ASPCA's mobile clinic at Thomas Jefferson Park Saturday.
The ASPCA's animal hospital on East 92nd Street has provided 600 free surgeries as part of its spay and neutering program for pit bulls.
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