In this research, it was aimed to treat the expectations for the teaching practice lesson and the process. The study group of the research consists of six teacher candidates, two mathematics teachers working in different schools, and a faculty member. In the research conducted within the scope of the case study, data were collected through semistructured interviews with the participants and document analysis. The obtained data were analyzed with the content analysis method, one of the qualitative data analysis methods. The findings are presented under the themes of expectations, the application process, and professional knowledge and skills. In the theme of expectation, it was concluded that the expectations of the participants from each other were realized to a great extent, and there were differences of opinion on the application process and themes of professional knowledge and skills. Some suggestions were made to researchers and educators in line with the results obtained.