This study investigated the implementation of Team-based learning (TBL) that was successfully implemented through online team-teaching in teaching Speaking in Career Development Class at a university level. The study implemented a mixed-methods case-study design. The results of the documents analysis show that the average score of the learners enrolled in the 2020 and 2021 academic years is A. It implies that the teaching and learning are successful. The analysis of the data of the interview and FGD was based on the four foundational practices of Team-Based Learning implementation. The results indicate that the success of the implementation of TBL is supported by the technique used to form the team or group, the involvement of the information and communication technology that permit the demonstration of both online and offline group discussions, and the availability of the team-teaching to provide rich feedback on the learners’ problems. The findings imply that TBL implementation is also effective whether it is demonstrated online or offline and in a blended learning model. It also indicates that the more the feedback received from teachers as team-teaching, the more motivated the learners to discuss as teamwork.