- Week 10 - Hermeneutics
- Week 11 - Homoiousianism
- Week 12 - Mimamsa
- Week 13 - Felicific calculus
- Week 14 - Kyoto School
- Week 15 - Natural deduction
- Week 16 - Emanationism
- Week 17 - Paraconsistent logic
- Week 18 - Phenomenology
- Week 19 - Qigong
- Week 20 - Non-cognitivism
- Week 21 - Illuminati
- Week 22 - I Ching
- Week 23 - Madhvacharya
- Week 24 - Kalam
- Week 25 - Tao
- Week 26 - Decision theory
- Week 27 - Kokoro
- Week 28 - Descriptivism
- Week 29 - Maya (illusion)
- Week 30 - Madhyamaka
- Week 31 - Determinism
- Week 32 - Dictatorship of the proletariat
- Week 37 - Humanism
- Week 38 - Humanism
- Week 39 - Neoplatonism
- Week 40 - Free will
- Week 44 - Existentialism
- Week 45 - Meaning of life
- Week 46 - Determinism
- Week 47 - Normative ethics
- Week 48 - Virtue ethics
- Week 49 - Applied ethics
- Week 50 - Social contract
- Week 51 - Humanism (life stance)
- Week 52 - Transhumanism
