Ex Machina is a good choice for confident learners looking for more realistic and demanding listening practice. Some parts may require more focus, but the main story remains easy to follow. Learners will hear plenty of useful natural English, but some lines may still require a second listen. Conversations usually leave enough room to process what is being said. The community has given Ex Machina an English difficulty rating of 6.1/10, so a B2/C1 level is recommended to learn from it effectively and enjoy the content.