This study investigated the effect of using YouTube videos on the development of first year secondary students'EFL listening comprehension performance . Two intact classes (N=110) were chosen randomly during the first semester of the school year 2021-2022 from EFL first year secondary students, Gharbia Governorate. Participants were assigned into an experimental group(N=55) and a control group (N=55)  . A pre-test was given to both groups before the experiment to make sure that the two groups were equal. Afterwards, the experimental group was instructed using YouTube videos, meanwhile the control group was instructed using the conventional teaching method using  audio recording only. At the end of the experiment that lasted for 8 weeks, a post-test was carried out in order to measure students' level in EFL listening comprehension.  Data were analyzed using independent and  paired samples t-test. Results revealed that YouTube videos were effective in developing the experimental group students' EFL listening comprehension performance. These positive results implied that the use of YouTube videos provided an authentic setting which was beneficial to EFL students in order to develop their listening comprehension performance. Implications, recommendations, insights for further research and conclusions were provided in the light of the study results.