Diana Gabaldon's Outlander books get pretty steamy - here are the. The graphic sex scenes in the season so far only highlights how. The new trailer teases more steamy sex scene. Caitriona Balfe, who plays Claire Fraser, believes the worst part of filming. Caitriona Balfe - Outlander being Outlander — one hell of a steamy sex scene for the time travel adventure TV series Outlander.