This study sought to develop an advanced filial therapy model by examining the experiences of seven parents who participated in a preliminary advanced filial therapy intervention. These parents had previously completed a 10-week basic filial therapy model called Child Parent Relationship Therapy. A phenomenological qualitative design was employed, wherein data was obtained from parent playtime notes, researcher field notes, group process transcriptions, and focus groups. Parent experiences of the intervention were examined from a systems-relational lens, and four categories emerged, which include relational epiphanies, enhanced understanding of the playtimes, model format, and skill development. Additionally, a variety of themes were discovered within each category. This study represents the only known attempt to develop an advanced filial therapy model. The findings indicated areas for continued model development and contribute to the improvement of systemic, strength and evidence-based treatments for children and families. Implications for theory, clinical practice, and future research were also considered.