Future Ted tells a story about how he watched his balloon "friend" fly away, stating the event caused him to believe that if you let go of the things you love, you will lose them forever.
Marshall from the time he and Ted pretended to be a couple to try to sell Barney's apartment, 1.
Meanwhile, a drunk Barney walks out of the hotel to find two men on the street and takes them to a strip club saying he will teach them how to live.
When the real Lily returns, she and Marshall reconcile after she tells him that they should stay in New York.
In truth, Ted had contacted Stella, Victoria, and Jeanette to locate Robin's missing locket.
[1] Jessica Goodman from the HuffPost gave a positive review, although she criticized a few scenes from the episode: "This week, "Sunrise" catapulted us back to present day in Season 9, the morning of Robin and Barney's wedding.
The shenanigans we've come to expect from the final season were back – some in an "ugh" kind of way (ahem ghosts) – but Ted's confession left me in a sweet spot.
Max Nicholson of IGN gave the episode 7.0/10, saying it was definitely engaging, and sometimes even funny, but it also ended on an irritating note.