Introduction: Our aim is to assess the content quality and reliability of YouTube videos on bone tumors. Methods: We searched YouTube using the keyword “bone tumors,” and included in our study the first 50 videos listed. Two orthopedic surgeons analyzed the videos, and then, we examined them in terms of length, number of views and likes, and source. To evaluate their content quality, the Global Quality Score (GQS) (0–4), Journal o…