Provided video explains the normal descent of testes, causes of undescended testes, cryptorchidism, its complications and treatment procedures and indications with the help of proper labeled diagrams. Timeline: 0:00 - Causes of testes not palpable in scrotum 2:39 - Normal descent of testes 4:03 - Locations of undescended testes 4:34 - Why descend into the scrotum is needed? 4:58 - Pathological changes that can occur 5:45 - Clinical examination 7:30 - Role of ultrasound and diagnostic laparoscopy and corrective procedures 7:58 - Treatment