Audio-visual media can be an effective and influential learning medium to improve students' speaking and critical thinking skills. This study aims to measure the validity and effectiveness of audio-visual media through storytelling on speaking and critical thinking skills in grade 6 students. The research was conducted at SDN Kalibanteng Kulon 02 with a total of 56 students consisting of 28 students for the control class and 28 students for the experimental class. The method used is mixed method through a sequential explanatory design. Data collection was carried out through observation, questionnaires, interviews, and tests. Before conducting data analysis, validity and reliability tests were carried out to determine the level of validity and reliability of the instruments used as a measuring tool to collect data. Quantitative data analysis uses hypothesis tests, namely t-test, N-Gain test, t-test ( independent ) through SPSS. Qualitative data analysis uses narrative descriptive from observations, interviews, and questionnaires. The results showed that learning using audio-visual media in the context of storytelling in the Experiment class showed a significant increase in N Gain in speaking skill indicators (Y1), such as Speaking Fluency (AKB) (0.43), Clarity (AK) (0.34), and Confidence (KD) (0.47), showing that learning with audio-video media contributes greatly to improving students' speaking skills.