Intensive Behavioral Intervention (IBI) is an evidence-based practice for children with autism. Intensive Behavioral Home Intervention Program called OCIDEP is one of the first IBI-type programs in Turkey. The purpose of the present study was to investigate the implementation process of the OCIDEP home program with one nine-years-old boy with autism. During the study both qualitative and quantitative data collection and analysis methods were systematically utilized on a regular basis. Findings of the study were as follows: (a) some of the guidelines did not work or had to be modified, (b) some behavioral and instructional problems occurred during implementation and they were solved by various methods, (c) team members made various progress, (d) the participant showed progress in the developmental areas included in the program as well as not included in the program, (e) team members and parents were very impressed overall with the progress of the participant. Moreover, all stakeholders believed that several guidelines should be considered while implementing such programs.