The Popadopolis' visit Lizard Flatz Arizona and there they encounter Dusty, a man with interesting stories, a ranch, and moonhunter, a horse that seems to be a legend, but ends up a reality after saving Webster from a rattlesnake. Moonhunter gets caught by some greedy no-gooders, and Webster almost gets killed.

George wants to live on the ranch, Webster wants to save moonhunter and set him free, and after all the excitement, they decide to head back to Chicago.

For a class project, Webster gets married and a bunch of problems end up with him and his snotty, controlling ""wife"".

Webster's friend Rob is upset because he feels that he is too tall.

Webster's friend Rob picks up a tabloid and asks Webster some questions from it. Webster gets the questions right and according to the tabloid, Webster is an alien from Jupiter and he starts to believe it.

As a lesson in teaching Webster responsibility, George and Katherine switch roles to where they are the kids and Webster is the parent.

Katherine is very upset when she finds out that her mother has passed away.

George takes Webster to the New York Nicks game and introduces Webster to basketball player Patrick Ewing.

Webster goes to Hollywood with Uncle Phil and his girlfriend. Matters turn worse after Uncle Phil's girlfriend cheats on Phil with Phil's producer. Meanwhile, Katherine gets sick while she and George have their 2nd honeymoon.

After cheating on Phil, The producer gives Phil's part to his now ex-girlfriend which leaves Phil fired. Meanwhile at George and Katherine's 2nd honeymoon, the power and heat go off.

Robbers break into the house while Webster is home alone and he has to know how to act.

Webster gets a chain letter. George throws it away and things mysteriously go wrong. Webster does bad on his test, there is a spider, and Papa Popadopolis falls down the stairs. Webster then discovers that it wasn't the letter, it was just stuff that happened. Webster then gets an A on the retake test.

Webster takes a picture and shows it to Katherine. Katherine then starts to think that a neigbor is having an affair.

Webster makes Katherine a dress for her birthday. She says that she likes it, but avoids wearing it when she is asked to put it on when they go out. She then tells Webster how she really feels about her gift.

Webster tries to set up Katherine's aunt Charlotte and Papa Papadopolis.

Webster learns that you can be rich without having a lot of money after Webster gets struck with the Lottery Fever.

George does a sportscast about Webster's Pee-Wee leauge hockey team. They like his sportscast so much that they want him to do children's sports and he is not too thrilled about that.

Rob's dad kidnaps him and Webster tries to rally up support to try and find him.

Jerry dresses up like a clown and takes Webster to the Leukimia ward at the children's hospital. Meanwhile, the kid is brought home and things do not go right.

Webster falls in love with a girl on Valentines day and he thinks she's taken. But he tries to ask her out to a Valentines party anyway.

Webster's Uncle Jack has Webster visit him. Uncle Jack runs a foster home with a woman, but a conflict with this one child may force him to quit the home.

Webster asks permission to buy a BB gun and he resorts to responsibility to get one. After getting one, and practicing with his friends, he accidentally kills a bird. This bird has babies and he takes the responsibility of raising them on his own.

Katherine's aunt is getting married and George and Katherine decide to reenact their wedding vows.

Webster and Katheine hatch a scheme to try and rid a habit that George has.

Webster and Katherine both end up cheating on some school-related projects at the same time.