Instructional videos play a central role in most online English courses of the current generation. However, previous research on the design and production of these videos has not been adequate, with direct feedback of learners largely neglected. To address the gap, the present study provides an explorative investigation of the perspectives of EFL learners on instructional videos used in online English courses. Through content analysis of students' comments on three existing instructional videos, it reveals the most favorable features of an instructional video, the means to actualize these features, and students' perceptions of different aspects of the physical design of an instructional video. The findings provide video producers with suggestions on the design and production of instructional videos used in online English courses.