This educational video article details the technique of spinal anesthesia administration for total hip and knee arthroplasty. The presentation details key procedural elements, including anatomical landmarks, midline and paramedian techniques for spinal placement, equipment for spinal anesthesia, patient positioning and preparation, and local anesthetic selection. Spinal anesthesia offers distinct advantages for outpatient arthroplasty, including rapid onset, favorable operative conditions, and facilitation of same-day discharge. The video serves as a practical educational tool that reinforces evidence-based anesthetic practice and supports the continued advancement of safe, efficient care in ambulatory joint replacement surgery.