How I Met Your Mother's latest episode, "Vesuvius," featured The Wedding Bride Too, the sequel to The Wedding Bride, the movie based on Ted's relationship with his ex, Stella.
The Wedding Bride Too contained a scene where Narshall, the movie character based on Marshall, ate Jed's cake (Jed is the movie character based on Ned).
This mirrors Jason Segel's conversation with Kevin Hart from This Is The End
I think after eight years, I'll feel like I honorably did my commitment. It's funny—it's the greatest problem in the world to have. Jeez—I'm the luckiest guy in the world. But when your idol is Peter Sellers, playing one character for eight years isn't what you're trying to do. I don't really feel like I have that much more to offer with this character. Maybe if we got divorced or something—but that's not gonna happen. It's gonna be some iteration of, like, my TV wife opens the fridge, and she's like, "What happened to the birthday cake?" And I walk in with a little frosting here [points to corner of mouth] like, "What birthday cake?