Adventures In Troll Sitting: Jake must hide a giant, hairy troll from his parents and visiting aunt.

Desperate to collect reward money to replace an expensive antique for Trixie's mother, Jake attempts to provide Professor Rotwood with proof of the existence of a dragon he claims to have spotted in New York City. Jake ends up turned over by Trixie and Spud, but they are horrified when they realize the truth about the dragon and rescue him and make a fool out of Rotwood who is now suspisious of Jake. Jake is ordered to erase Trixie and Spud's memories of the truth, but after they affirm their devoted loyalty and true friendship to him, he chooses not to.

• This is the first episode that Trixie and Spud know about Jake being the American Dragon 

The Egg: A stolen Griffin egg leads Jake on a frenzied romp through New York City.

When Jake, Trixie, and Spud attend a school sponsored ski trip, Jake embarks on an investigation to find out the true identity of the Huntsgirl, while also trying to get some alone time with Rose. After seeing various clues and denying it, Jake battles and defeats the Huntsgirl and saves her from an avalanche. Jake takes off her glove and after seeing her birthmark, realizes that she really is Rose and reluctantly ends his close and strong romantic relationship with her, much to her hurt and confusion.

• This is the where Jake finds out that Rose is Huntsgirl and his enemy. 

Jake discovers that his ancient, out-of-touch grandfather was once a swinging, styling super-agent in 1970s Hong Kong, China, who had completely changed after defeating the Dark Dragon. Jake comes into conflict with the Dark Dragon again and Chang's duplicity is revealed. The two plan to create an army of magical creatures to take over the world, so Jake counters with his own army made up of himself, Trixie, Spud, the Oracle Twins, the Tooth Fairy and some toothmen.

While Grandpa takes Haley trick or treating, Jake seizes the opportunity to throw the wildest Halloween party ever mixing humans and magical creatures. Things go bad when the Dragon Council arrives for a surprise inspection and removes Jake's innate dragon abilities as punishment. The Council is captured by the Huntsclan and while Jake tries to rescue them, Fu Dog rallies the partiers to Jake's aid. They defeat the Huntsclan and the Council restore Jake's dragon abilities in gratitude for rescuing them and enjoy the party.

• Ingrid Third from makes a cameo. 

Fu and Tell: Fu Dog must endure the extreme indignity of Haley's elementary school class "Show And Tell", while also confronting an old nemesis.

Jake is unsure whether Rose is a friend or foe (after learning that she is in fact Huntsgirl). Jake is baited into a trap along with a group of comically inept magical misfits (An unlucky leprechaun, a hydrophobic mermaid, a dumb giant and a brownie with anger management problems). When they are captured and chained together as the targets for the Huntsclan's annual hunting contest, Jake's leadership and pure and intense love for Rose is tested. Jake ultimately helps the others escape, but is recaptured himself in the process. The other creatures attack the camp and free Jake, using their problems to their advantage and drive off the Huntsclan, but Jake is tied to a tree by Huntsgirl who prepares to slaughter him until he calls her Rose.

Telling her if she wants to kill him, she will have to do so in his human form. He powers down and reveals himself as her beloved Jake. Rose, shocked and confused, pulls off her mask, but instead of killing Jake, she cuts him free and runs away. The next day, Jake, who has hopes of a real relationship between the two now, learns that she transferred away and left behind the picture of them at the dance for him as a reminder of their intense and close blossoming romantic relationship, leaving Jake heartbroken.

• Note: This is the episode where Rose discovers Jake is the American Dragon 

Jake is determined to find Rose and asks Fu Dog to help him with a magical potion to open a portal to locate her, but when the magical ingredients accidentally get swapped with the cupcakes they're baking for the school carnival, Jake has to put Rose out of his mind so he can deal with the ferocious creatures taking over the school.

Spud joins Jake on a mission where they have to go undercover as students at the Huntsman's secret Huntsclan Academy. When they stumble upon Rose, however, Jake tries to convince her to leave the Huntsclan forever and come back to New York with him. However Rose refuses, saying that is too dangerous for the both of them. She assures Jake that even apart she will do everything she can to help him stop the Huntsclan for good. Jake is eventually found out, but he and Rose come up with a plan to fake his death. Before they do, they passionately kiss. Jake and Spud escape and Rose, the Huntsman's faith in her restored, returns to Milliard, now planning to help Jake take down the Huntsclan.

• Jake and Rose share their first romantic kiss on-screen as solid undoubtable proof of their strong and close blossoming romance. 

Jake discovers a time-traveling device and decides to travel back to June 27, 1986 to give the note from his teenage mother to teenage Dad telling the truth about being a dragon and the existence of the magical world and all of its creatures.

While using his Dream Charm to have secret romantic love meetings and dates with Rose, he gets the idea to use his charm to access Rotwood's mind in order to obtain the answer key for a future test. But when he inadvertently releases a dangerous Chimera creature into the Dream Realm, Jake, Rose, Spud, and Trixie must work quickly in order to stop it.

• One of the doors shown in the Dreamscape is titled 'Nick Filippi', who is a director of American Dragon: Jake Long. 

Jake is tired of Principal Rotwood always giving him a hard time, and inadvertently gets Rotwood fired. He's happy at first, but when he ends up with a principal who is even worse, he strikes a partnership with Rotwood to get him fired. Also, when Stacey comments that sensitive guys are hot, Spud tries to woo her by using onions to make himself cry on command. Jake and Rotwood defeat the new principal and Rotwood is reinstated, but Rotwood learns the truth of Jake's secret.

• Rotwood finds out that Jake is the American Dragon. 

When Cupid goes on vacation, he leaves his magical bow and love arrows in Grandpa's care. Jake can't resist borrowing Cupid's equipment and using it to play matchmaker on his school's "Love Cruise", including pairing himself with Rose, who he feels no longer has strong romantic feelings for him, not knowing she's acting so distant as Grandpa wants her to end their deep romantic relationship to get rid of the distractions it is causing Jake. When Jake uses Cupid's Bow on her, it causes her to hate him as she truly and strongly romantically loves him and when it is used like that on someone who truly and deeply loves the user, it causes the reverse effect. Rose calls in the Huntsclan, but Jake manages to reverse the effect in time and Rose tricks them. However, this causes her to realize that Grandpa was right, and she ends their strong, close romantic relationship into a strictly professional one.

Jake and Rose are nominated for Homecoming King and Queen for their school's upcoming homecoming dance, and Jake believes it to be the perfect opportunity to pursue his relationship with Rose. However, the Huntsclan discovers Rose's treachery and forces her to steal the Aztec Skulls that Jake had. The Huntsman prepares to use the Skulls to destroy all magical creatures, but Rose knocks him out and wishes instead for the destruction of all Huntsclan instead. Although 88 and 89 manages to escape, the rest of the Huntsclan is destroyed. Jake uses the Skulls and wishes for Rose to have never been taken by the Huntsclan and then destroys the skulls. The next day, Jake meets Rose again who has no memory of him and they won't have a chance to get to know each other again as she's moving to Hong Kong with her family. Jake decides that as long as she's happy, he is too.

• Jake and Rose resume their strong and close romantic relationship but Rose ends up leaving USA and moves to Hong Kong.
• Sun Park was originally set to die in this episode but the scene was cut for being too dark.