Jamil W. Smith

At a sleepover, Arnold and the boys sit around and tell scary stories. / Wolfgang dares Arnold and the gang to break superstitions, which causes a spate of bad luck to erupt. Also available on Xfinity

In the second season of this animated kids' show, resourceful fourth-grader Arnold comes to the rescue when he reunites quarreling band members, saves a beautiful old tree from being chopped down and tackles other problems.

Grade-schooler Arnold and his eccentric circle of friends continue their madcap adventures in the fifth season of this animated kids' series, which finds Sid suddenly suspecting that Stinky could be a vampire.

Arnold's adventures in his hometown of Hillwood continue into a fourth season, with the fourth-grader always ready to lend a hand to pals with a problem -- and still taking lots of flak from his classmate Helga, who secretly carries a torch for him.

In the first season of this animated show, outgoing fourth-grader Arnold proves that he'll do almost anything to help his friends solve their problems -- even if it means trekking into the woods to locate pals who've gotten lost on a camping trip.

Arnold tries to prevent Grandpa Phil from selling the boarding house, gets stuck on a roller coaster and discovers the power of his baseball swing. Meanwhile, love-struck Helga leaves an embarrassing message on Arnold's answering machine.