The first season of Upin & Ipin was aired on Fridays, Saturdays, and Sundays, 7.30 pm, in conjunction with Ramadan and Eid-ul-fitri, which tells of the twins Upin and Ipin on their first fasting months. Main article: List of Upin & Ipin episodes Season A new character was later added in the series who is an Indonesian girl named Susanti who moved in with her family. Among the village's other notable residents are Muthu, owner of the village's only food stall who lives with his animal whisperer son Rajoo and pet steer Sapy Salleh (Sally), a transgender-apparent who owns a mobile library and Ah Tong, a strident-voiced vegetable farmer. Tok Dalang keeps a cluster of rambutan trees for commercial purposes, and a rooster named 'Rembo'.

The headman of Kampung Durian Runtuh is Isnin bin Khamis, better known as Tok Dalang Ranggi, the Wayang Kulit champion.

Upin and Ipin study in the village's Tadika Mesra (kindergarten), with a group of classmates, including the adorable and right-thinking Mei Mei, a joker and poetic Jarjit Singh, the clumsy and short-tempered Ehsan, an easygoing and sarcastic Fizi, and an entrepreneurial and meticulous Mail. They have lost their parents in their infancy. Upin and Ipin are five-year-old Malaysian twins who reside with their elder sister Ros and grandmother Uda (whom they call Opah) in a village house in Kampung Durian Runtuh. Upin & Ipin is currently the longest-running Malaysian animated series, currently in it's 14th year of producing new episodes. As of 2014, the series has reached it's eighth season, including another Ramadan special season in 2008, and, season three onwards, the year-long, more general themed Upin Ipin and Friends, the series' international debut via the Disney Channel Asia, with more concentrating on telling the lives of The Twins with their friends on the normal days. Originally a side project for the blockbuster animated film Geng: The Adventure Begins, Upin & Ipin was introduced on TV9 in Malaysia and MNCTV in Indonesia on 13 September 2007 as a six episode Ramadan/ Hari Raya Aidilfitri special, to teach children the significance of the Islamic holy month.

Upin & Ipin ( Jawi: اوڤين دان ايڤين) is a 2007 Malaysian television series produced by Les' Copaque Production, which features the life and adventures of the eponymous twin brothers in a fictional Malaysia. Mohd Nazmi Mohd Yatim & Mohd Faiz Hanafiah (season 5)Ħ–7 minutes per episode (season 6–present)

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