Sarah's blind cousin, Mary, comes to Horseland for a visit. Sarah is busy training a new horse so she lets Mary take care of and ride Scarlet while she is visiting. Bailey, Molly, and Alma are concerned with leaving her by herself, so they constantly follow her around offering to do everything for her. However, when the four of them get lost on a new trail at night, they soon begin to understand that Mary is not as helpless as they think she is.

Everyone except Bailey goes on a trail ride, and Chloe and Zoey are assigned the job of putting out a forest fire. Unfortunately, they don't do it well enough and accidentally cause a forest fire.

n equestrian fashion designer comes to Horseland, and the gang is thrilled to model for the subsequent photo shoot. However, the clothes are impractical and too dangerous to ride in. The kids must speak up before someone gets hurt.

A Native American girl and her horse come for a visit at Horseland. Zoey especially jumps to conclusions, which leads to a rivalry for a leadership role between the two girls.

lma Rodriguez thinks she is too good to practice for the upcoming Huntingfield Downs horse show, because she feels she is the 'best' jumper at Horseland. However, the course is changed at the last minute and Horseland doesn't do so well in the show. In the end, Alma learns a lesson about the importance of trying her as well as the importance of practicing. Eventually, Chloe Stilton wins the show for Horseland because she actually practiced the routine.

Bailey is picked to be lead rider for an upcoming show that Horseland is performing. Everything runs smoothly until Bailey yells at Alma for constantly messing up and continues to bark orders at everyone like a dictator. When a storm hits, the kids quit for the night, but Alma continues to practice so she won't upset Bailey. Unfortunately, the storm spooks Button which causes her to run off with Alma in tow. Bailey and Sarah must now work together to go find her, and Bailey has to figure out how to lead a scared Alma and Button back to Horseland without scaring them any further.

The Horseland gang is set to ride in a "Heritage Days" parade. But, they can't decide on what sort of heritage they'll represent!

Over the course of a winter, the beloved barn cat of Horseland, Mosey, is becoming very old and sick. Seen through flashbacks, the tale unfolds of his increasing illness and eventual death. All the riders, animals, and horses, especially Sarah, are heartbroken by his loss, and have trouble coming to terms with it.

A princess, Linnea, and her assistant come to ride for a day at Horseland. Chloe and Zoey want to make a socially advantageous friendship with the princess, but end up mistaking her for her assistant!

When a new boy, Chase, visits Sarah at Horseland, the other riders think that he's her boyfriend. They soon discover, though, that Chase is Sarah's cousin. He helps them prepare for an upcoming dressage show, but refuses to read direction. Chloe and Zoey think that he is illiterate, but it is revealed that he is, instead, dyslexic, as is Will.

a heavy drought has hit Horseland and the surrounding countryside, and water is scarce. Chloe doesn't seem to care... until she's led to believe that she used up the last drop!

Sarah, Alma, Molly, and Zoey are assigned to doing musical kur for an upcoming competition, but Calypso struggles with learning the routine. Worried they will mess up during the competition and embarrass her and Pepper, Zoey attempts to get Molly to drop out by convincing her that Sarah and Alma plan to drop her from the routine anyway. Unfortunately, Molly takes it as a sign nobody wants her around Horseland anymore and plans to leave the ranch forever. Then Sarah and Alma find out what Zoey did, and even though the show is about to start, they go find her, compete in the show (in which Calypso finally learns the routine), and teach Zoey a lesson.

Molly invites her friends from the city to watch her perform at an upcoming competition and to meet her friends at Horseland. However, she is afraid that they won't like each other due to the fact her city friends are all about goofing off and having fun while her friends at Horseland are dedicated and serious about work. When her city friends become lost on their way to the competition, Molly drops out of the competition in order to find them, with the help of her friends at Horseland. .

Chloe and Zoey are thrilled to be able to run Horseland's website, but their reporting rarely sticks to the truth, and rumors are spread. They don't think anyhting of it until the Animal Health and Safety Department shows up and threatens to close Horseland down.

Molly gets her first cell phone, and loves it. But can she stop chatting long enough to care for Calypso and spend time with her friends?

When the new girl, Sarah Witney arrives at Horseland, Chloe and Zoey are eager to meet a fellow wealthy girl. However, Sarah just wants to make friends with the nice people (and horses) of Horseland, and so does her horse, Scarlet. The rest of the gang judge Sarah before they meet her because she's rich, after which Sarah decides that maybe she just doesn't belong at Horseland. Eventually, the others decide to give her a chance and everyone becomes good friends.

After Pepper is injured during a competition, Zoey turns her back on her and starts avoiding her after hearing about a horse having to be put down after it is injured. Pepper becomes depressed and unmotivated to get better and ride again when Zoey stops coming by to see her, which only adds to Zoey's fears about losing her. Zoey then gets a new horse to ride, because she thought Pepper was goig to die. It's up to the rest of the Horseland gang to reunite both Zoey and Pepper before the two give up on each other, and their lives at Horseland, for good.

A once-wild horse named Puma comes to Horseland, and talks of his life in the wild. This makes Aztec also want to run away and be free. He sneaks away at night, but comes to find out that life away from civilization is a lot harder than he expected. Meanwhile, Bailey is distraught with worry for his beloved horse. Eventually, the two are reunited, and Aztec decides that he prefers life at Horseland. Meanwhile Sarah is at Stand Hope riding school but later decides to stay with her friends.

When her friends tease her about her weight, Pepper becomes worried and goes on an unhealthy crash diet.

Sarah and Alma try to convince the constatly bickering Stilton twins to tell each other "I Love You." Their plan fails until the two try to cheer their sister up, while at the same time sacrificing what they hold dear. A classic "Gift of the Magi" story.

Mollys friends from the city want to watch Molly compete, but Molly is worried that they will embarrass her because they wont know how to be good spectators. When they miss the bus stop, Molly drops out of the competition to go find them, and to her surprise, her Horseland friends not only drop out to help her - they love her city pals.

Chloe lies to everyone about jumping over a parallel oxer so she can impress Bailey. Her fib succeeds in impressing him, but it soon escalates to the point where reporters come to Horseland for a meet to watch her make the jump, since it is rare that such a young rider can perform it. Chloe decides to practice the jump the night before the competition, but Chili sprains his leg during the process. The next day at the meet, Chloe must either come clean with her lie, or attempt another jump and endanger the lives of both her and Chili.

The girls are given the task of learning lateral dressage and Sarah is especially determined to learn it. Rather than take it slow, she pushes Scarlet and herself to the maximum and ends up spraining Scarlet's leg during practice one day. Convinced that Scarlet is unable to learn it, Sarah decides to give up her determination; but when her and her friends are stranded in the middle of a river during a fierce thunderstorm, Sarah realizes that her determination may be the only thing that can save them.

Chili's idol, a famous racehorse named River, comes to stay at Horseland. However, River is retired, causing Chili some concern.

Fed up with Zoey shirking her responsibility of cleaning out Pepper's stable, Alma decides to trick her by saying a bracelet Zoey lost is in the stable and she'll have to clean it in order to find it. Later, on a hike, Alma spies a wolf, but nobody believes her because of the way she lied to trick Zoey earlier. Alma returns to the spot she saw to wolf to get proof, but Button is scared away by the wolf, leaving Alma to fend off the wolf by herself.