On the May 13 Season Eight finale, Milioti, who has also been seen on Broadway in Coram Boy and The Lieutenant of Inishmore, appeared at the end of the episode. She will play the series' title character, a prominent figure in the upcoming final season of "How I Met Your Mother."
Milioti's character, the future bride of Ted (Josh Radnor) who is known as "The Girl With the Yellow Umbrella," will encounter Ted after Barney (Neil Patrick Harris) and Robin's (Cobie Smulders) wedding.
The series, which stars 2013 Tony Awards host Harris, also features Alyson Hannigan, Radnor, Smulders and Jason Segel.
Watch Milioti's appearance: