“Playing With Fire” (** out of four) was a silly comedy about a team of fearless and rugged firefighters (John Cena, John Leguizamo, Keegan-Michael Key) who have overcome terrifying obstacles on the job but are overwhelmed when having to take care of and watch three kids (Christian Convery, Brianna Hildebrand, and Finley Rose Slater) who are separated from their families following an accident. Enthusiastic cast gets all the mileage it can out of a paper-thin script but after a while- it’s like squeezing blood from a stone. A mediocre production from Nickelodeon but kids may like it anyway