Caitriona Balfe In Steamy Sex Scene From Outlander. The fourth season of Outlander has officially premiered on Starz with - Outlander being Outlander — one hell of a steamy nighttime romp in the. Caitriona Balfe as Claire and Jamie's marriage deepen. Sam Heughan shot a steamy sex scene from Outlander. Outlander star Caitriona Balfe in steamy sex scene.