Penelitian ini bertujuan untuk mengembangkan video pembelajaran berbasis plotagon yang layak pada kelas viii smp negeri 1 tulin onsoi. jenis penelitian ini adalah kualitatif dan kuantitatif dengan menggunakan pendekatan research & development (r&d) dengan model borg and gall. penelitian ini terdiri dari: (1) penelitian dan pengumpulan data (reseach and information), (2) pengembangan draft produk (develop premilinary form of product), (3) uji coba lapangan (premilinary field testing), (4) revisi produk akhir (final product revision) dan instrumen pengumpulan data yang digunakan adalah angket. hasil penelitian menunjukkan validasi ahli media 75%, validasi ahli materi 75%, uji coba skala kecil 81,75% dan uji coba skala besar 85,98%. persentase hasil keseluruhan dari validasi ahli media, validasi ahli materi, uji coba skala kecil dan uji coba skala besar adalah 80,47%. rata-rata hasil keseluruhan penilaian kelayakan produk mendapatkan kategori layak. hasil keseluruhan penilaian kelayakan produk pada setiap penilaian memperoleh skor persentasi kelayakan 80,47% dinyatakan layak. dengan demikian, pengembangan produk video pembelajaran berbasis plotagon yang dikembangkan oleh peneliti telah dinyatakan layak dan siap digunakan sebagai video pembelajaran berbasis plotagon pada kelas viii smp negeri 1 tulin onsoi. kata kunci: bord and gall, media pembelajaran, plotagon, video pembelajaran

This research aims to develop a suitable plotagon-based learning video for class viii smp negeri 1 tulin onsoi. this type of research is qualitative and quantitative using a research & development (r&d) approach with the borg and gall model. this research consists of: (1) research and data collection (reseach and information), (2) developing a premilinary form of product, (3) premilinary field testing, (4) final product revision, and the data collection instrument used was a questionnaire. the research results showed that media expert validation was 75%, material expert validation was 75%, small-scale trials were 81.75% and large-scale trials were 85.98%. the overall percentage of results from media expert validation, material expert validation, small-scale trials and large-scale trials is 80.47%. the average result of the overall product feasibility assessment is in the feasible category. the overall results of the product feasibility assessment in each assessment obtained a feasibility percentage score of 80.47% which was declared feasible. thus, the development of plotagon-based learning video products developed by researchers has been declared feasible and ready to be used as plotagon-based learning videos in class viii of smp negeri 1 tulin onsoi. keywords: bord and gall, learning media, plotagon, learning video