Watch full movie online. To right the wrongs of his all-American sex education, 36-year-old Alex Liu goes on a quest to uncover naked truths and hard facts—no matter how awkward it gets. From neuroscience labs to church pews, A Sexplanation features provocative conversations with psychologists, sex researchers—and even a Jesuit priest. With humor and grit, Alex takes audiences on a playful, heartfelt journey from a shame-filled past to a happier, healthier future.