Arthur - Season 1 Episode 3

D.W. All Wet: D.W. enjoys her field trip at the aquarium…until she sees an octopus. It gets so hot in Elwood City that Mr. Read suggests that the family should go to Bear Lake. But D.W. refuses to go because she thinks that there are octopuses in the lake./Buster's Dino Dilemma: When Mr. Ratburn's class goes on a field trip to Rainbow Rock State Park, Buster finds a dinosaur fossil and wants to keep it for himself.