This exhaustive history starts at 3900 B.C. (Harappan civilization) and includes Patanjali's codification of the sutras. It explains the influences of sankhya, vedas and other religious texts. Various later cults and hath yoga also figure.

The Film 'History of Yoga - the Path of my Ancestors' is a 6000 year journey into origin, evolution & development of yoga. Six years of extensive research, filming; contribution of 30 eminent scholars; 35000 kms travel, 137 locations to record from 84 Archaeological sites, 37 Museums, Libraries, Temples & Shrines. The story explores the elements of Yoga in Harappa Civilization, Veda, Jainism, Buddhism, Hath-Yogic practices of medieval times & other peripheral doctrines. The film ends in 19th century where modern science acknowledges the potential of yoga in a new light. India's magnificent Iconography, Temple Art, Diverse Culture & Ancient Relics, Wall paintings, Manuscripts unfold with wisdom of yoga in this path defining Documentary.—http://rajivmalhotra.com/historyofyogadvd/

The film HOY starts with Yoga of Patanjali as a unique technique for experiencing the mastery over senses and modifications of the mind. Patanjali is not the inventor of Yoga. Where did it originate from ? History is traced from the times of Harappa civilization. The story moves to explore the elements of Yoga in the times of Vedic, Jain, Buddhist periods and other doctrines. It takes you through the delightful journey of 3000 years of developmental history of Yoga up to the medieval ages. Here the HathYogic practitioners show an intense human desire to conquer disease, aging and death through the Hathyogic practices. The film ends in 19th century where modern science acknowledges the potential of yoga in a new light.—http://vishuddhifilms.com/history-of-yoga.html