- Josh Radnor (Ted Mosby)
- Neil Patrick Harris (Barney Stinson)
- Jason Segel (Marshall Eriksen)
- Alyson Hannigan (Lily Aldrin)
- Cobie Smulders (Robin Scherbatsky)
- Cristin Milioti (Tracy McConnell)
How I Met Your Mother — S8E15
Episode: P.S. I Love You
Air Date: 2013-02-04
Runtime: 23 min
Overview
Barney uncovers the lost episode of Robin's “Underneath the Tunes” as Robin Sparkles. Meanwhile, Marshall and Lily are concerned that Ted's new girlfriend is a stalker.