“Truly can’t believe it has been 10 years,” Hannigan wrote on social media.
TheCBSsitcom aired its final episode on April 1, 2014, marking the end of a nine-season run.
The kids' mother, who we barely met in the run of the show, died.

The cast of ‘How I Met Your Mother’.cbs
The Entertainment Weeklyrecapper wrote, “I feel like I was just hit by a bus.”
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Back in 2016, Radnordefended the ending, saying 40 percent of viewers were happy with it.
“So I think it was in keeping with the DNA for the show.
Hmm, any thoughts, Josh?