While Glee fans are buzzing over the appearance of Britney Spears on tomorrow night's episode, while also awaiting the songs New Directions will sing in her honor, let's not forget:
John Stamos also debuts on "Britney/Brittany" as Emma's love interest, Dr. Carl. In THIS CLIP, we watched him put Santana and Brittany under, leading to a "Me Against the Music" dream sequence. But let's rewind a few moments.
Below, readers can check out Stamos' first scene on the show, as he surprises Emma at work and interacts awkwardly with Will: