Watch 18 Years Old and I Think I'm Having a Heart Attack for Free: How to Stream the Movie Online at 123Movies. . What does it feel like to have a panic attack? In this animated short from our Arts x Radio collaboration, Vancouver-based filmmaker and illustrator Karla Monterrosa animates a clip from CBC Radio'sCampus to imagine what it's like inside an 18-year-old's mind and body during her first attack.