This course walks students through the Science of Hadith. Understanding the Science of Hadith is crucial to understanding the foundations of Islamic theology, Shariah, and Islamic thought. The primary text will be Introduction to Hadith by al-Shahid al-Thani and Abdul Hadi al-Fadhli, which outlines the history, development, and current practice of Hadith with special attention to Shiʿa scholarship. It covers hadith terminology, sources of hadith, chains of narration, categories of hadith, the criteria for accepting hadith narrators, transmission of hadith, and motives behind the fabrication of Hadith. A total of 22 lessons were presented in the year 2017-2018. This course is instructed by Sayed Mohammad Baqer al-Qazwini.