Steven returns to Ubin for the school holidays only to find that Ah Boy will be going away on an overseas trip. Steven is upset at Ah Boy but Ah Boy convinces him to stay to keep Ah Ma company. Ah Ma´s old friend Masrun returns to live in Ubin and brings along his grandchild, Bib, who gets off on the wrong footing with the boys. They are all forced to spend time together, and Bib proves to be a handful, playing pranks on them at every opportunity

Bib and Xiao Min are introduced to each other and do not warm to each other easily – Xiao Min thinks Bib is spoilt and snobby and wishes Steven wouldn’t have to spend time with her. When Bib says that she doesn’t think a fish farmer’s job is important, her grandfather decides to teach her a lesson. They all stay on a fish farm which is run by Masrun´s old school friend Chye Soon. They learn how much commitment it takes to run a fish farm and...

Bib reads about a historical attraction in Ubin called the German Girl’s shrine in her grandfather’s research notes. When the kids arrive there they spy a man with a treasure map. They tail him all the way to Ubin town and overhear him mumbling the treasure map’s word puzzles. The man, whose name is Aloysius, happens to be on a treasure hunt in order to obtain some money from his brother. Bib decides to help him for a fee and they all pitch in to

Ah Boy sends them a postcard from New Zealand and tells them about the Strange Old Man. They decide to spy on the old man and discover that he hoards all sorts of things in his small house. The old man catches them trespassing and scares them away. The kids uncover some puzzling things in the house though and return to discover that his estranged son has been searching for him for years ...

Uncle Masrun´s old friend, Uncle Phillip, a biologist comes to visit. He is on a research trip to document wetland life at Chek Jawa. He takes the kids along for an educational trip and the kids get a fun look into what the wetlands are made of and how it plays an important part in the eco-system. Everyone, including the adults learn the importance of diversity - Masrun and Phillip learn that different opinions enrich friends while the kids learn

Bib´s cousin Shereen comes to visit. She is very spoilt and fashion conscious and Bib tries her best to make her stay miserable. Steven though has fallen head over heels for her, and although Shereen is haughty with him at first, they develop a friendship. This provokes Bib to show Steven that Shereen is only pretending to like him. In the end, Bib discovers how unsatisfying it is to break a friend’s heart ...

Masrun behaves strangely – he does not sleep and mumbles to himself, causing Bib to worry. Ah Boy sends them a letter telling them about a handphone number where they can send him text messages. The kids look for Bib´s handphone which Masrun had confiscated, and find it amongst Masrun´s notes for his novel. They also discover that his novel is about a haunted house. They ask Ah Boy if he knows of any haunted houses in Ubin ...

It is Ah Ma´s birthday, Steven and the girls compete to give Ah Ma the best present. Steven though has a big secret up his sleeve, but he has to keep it to himself causing everyone to misunderstand him. However, before Steven can reveal his surprise, a major slip-up happens and he scrambles to keep his birthday present for Ah Ma intact! Much to everyone’s surprise, the secret is Ah Boy’s early return from his trip ...

It is time for Steven and Bib to return to Singapore. Bib is not too happy about it while Steven tells that his father may get a job in Hong Kong, which may require the entire family to relocate. Ah Boy is upset with the news, while Steven doesn’t understand why Ah Boy can’t be happy for him. Masrun decides to treat the kids to a trip to Singapore and they stay at Bib´s apartment. But tension between Steven and Ah Boy intensify ...

We go behind the scenes of "Ubin boy series 3" in this "making-of" episode. Seen for the first time, interviews with the cast and creative team of Ubin Boy. Find out what the cast and crew go through. Footages from the previous seasons of Ubin Boy, when Steven and Ah Boy were younger and still enemies before they became friends; and also for series 3, the character Bib was created to join the Ubin gang.