'How I Met Your Mother': Robin Sparkles goes dark in 'P.S. I Love You'

himym-ps-i-love-you.jpgMonday's (Feb. 4) "How I Met Your Mother" features what could very likely be the final appearance of Robin Sparkles. And she's not so sparkly this time.

Co-creator Craig Thomas isn't saying definitively that we'll never again see Robin's ( Cobie Smulders) Canadian pop-star persona -- especially now that the show is officially returning next season -- but the writers designed this to be a possible cap on her music career.

"If we had some other idea of a way to revisit it in some new way that felt worth it and different from everything else, we'd consider it," Thomas says. "But we're pretty happy with this as a potential final chapter. I think people will see how this bridges the gap between the Robin we've seen before and what came next and what was the end of Robin Sparkles' career. So if it's the end, it feels like a fitting ending."

The theme of the episode -- which like the Robin Sparkles song featured in it is called "P.S. I Love You" -- is obsession, Thomas and Smulders say.

"An argument comes up [among the gang] about becoming obsessed -- how does one become obsessed with another person," Smulders says. "Robin reveals she was very much obsessed with someone in her past -- she acted a little bit crazy. It makes Barney [ Neil Patrick Harris] go out there and try to find out who that person is, and then he becomes obsessed with finding this person. He goes on this mission, and at the end of the mission he finds this video."

The song "P.S. I Love You" (which Thomas calls "'How I Met Your Mother's' tribute to the '90s") is pretty clearly influenced by Alanis Morissette's breakout hit "You Oughta Know." So naturally, Zap2it had to know whether Robin's song is about "Full House" star Dave Coulier, who has admitted he was the subject of Morissette's track.

"That's a great question," Thomas says. "I would say you'll see the ways in which this episode absolutely references that pop-culture phenomenon. I don't want to say anything further, other than ... you have spotted correctly an influence on this episode, the fact there's this pop-culture legend, reference, possible truth about Dave Coulier. ... I promise you that will be referenced in the episode."

"How I Met Your Mother" airs at 8 p.m. ET Monday on CBS. Here's a preview of Robin Sparkles' dark tune, courtesy of fake Canadian music show "Underneath the Tunes":

Photo/Video credit: CBS
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