Are your kids a fan of the beloved cartoon aardvark Arthur Read?    Well, he is celebrating his 20th anniversary this month. Holding the title of TV’s longest-running children’s animated series, Arthur kicks off season 20 on Monday, October 10th, with new episodes that give us a glimpse into the “Past, Present, and Future” of their favorite characters. Especially noteworthy is the new episode titled “Cereal,” in which Buster launches a podcast to uncover the truth about a missing cereal box – a nod to the popular “Serial” podcast series. This Emmy and Peabody award-winning PBS Kids series is beloved by many and had over 161 million website visits…