George searches for a cure for his hiccups; George uses the tools and skills of a wildlife videographer to figure out who has been getting into their rubbish.

George and Hundley return a huge stockpile of "Lost and Found" items Hundley picked up in the lobby; George's prized golden marble goes missing while playing with Bill.

George discovers a recreated room set from his favourite, new book in the window of Mabel's department store; George and Allie invent some creative systems for getting supplies up to the treehouse.

When George's favourite bouncy ball keeps deflating, he has to figure out how to find and patch up the hole; when George learns that Mr. Glass plans to move the beloved apple tree, he throws it a party.

George and Marco learn about palaeontology and start a dig site of their own; when George's nature hike with Bill prevents him from playing Bingo, he creates his own unique version for their adventure.

George recreates a summer camp experience for Marco; George discovers hula hoops can be musical.

A scarf Mrs. Renkins knit for MYH is ruined; George and MYH enjoy a snowy cabin getaway.

George visits Mr. Quint's model train set; George is blown away by the professor's wind farm.

George helps Bill with fence painting; George and MYH try to bake bread from scratch.

George and MYH go spelunking; George invites neighborhood friends to his yard for an outdoor movie.

George helps Marco give his new hamster everything it needs: food, water, a place to sleep and a place to play; unable to sleep after being too excited about the Sprout's Swap Meet, George learns the importance of a good night's rest.