Principle purpose of this lecture is to present on Germinomas: Evolution in the Use of Radiation. Here describe overview of Germ Cell tumors and Traditional Radiation Treatment for Germinoma. This lecture briefly present on Alternate therapeutic Approaches: Chemotherapy alone; Reduced Field Radiation without Chemotherapy and Combined Approaches. Finally focus on Diagnosis: Need for biopsy controversial and Recommended for pineal tumors and Suprasellar – biopsy considered essential.