This study aims to investigate the effectiveness of using interactive digital videos on developing sixth graders' English reading skills and vocabulary learning and its retention. To achieve this aim, the researcher adopted the experimental approach and recruited a sample of 82 6th grade EFL male learners. The researcher used 5 instruments to collect data: 1) A content analysis card of 24 items for the reading comprehension texts of English for Palestine 6B, Holsti's equation was used to count the reliability of the analysis; 2) A checklist for teachers to determine the most important reading comprehension skills; 3) A pre and post reading comprehension test; 4) A pre and post vocabulary test; 5) A delayed vocabulary retention test held after two weeks of the post vocabulary rest. The study results revealed that IDVs were effective in developing reading comprehension, and in learning and retaining vocabulary.