From sharing flirty glances on set to filming some of the most passionate love scenes in "Outlander," have Sam Heughan and Caitriona Balfe ever taken their onscreen chemistry off-screen? Fans have been speculating for years, but spoiler alert: they did not! The co-stars have been adamant about keeping their friendship strictly platonic, but the undeniable on-screen connection and their playful banter off-screen made it hard for viewers to resist the temptation of believing a romance was blossoming. Let's delve deeper into their on-screen and off-screen dynamic and find out what really goes on between them!