"How I Met Your Mother" season 9, episode 18 won't air until Feb. 24 after a short hiatus, but it will feature some exciting flash forwards for all characters, including Ted, Robin, Barney, Lily, and Marshall! Find out more spoilers for "How I Met Your Mother" season 9, episode 18 here.

The "How I Met Your Mother" season 9, episode 18, titled "Rally," synopsis reads: "When Barney suffers from the world's worst hangover the morning of his wedding, the gang tries to figure out the far-fetched ingredients to concoct the Stinson Hangover Fixer Elixir."

According to Fashion & Style, "How I Met Your Mother" co-creators Carter Bays and Craig Thomas revealed more spoilers for the season in a Reddit AMA: "we will see more and more flash-forwards in the remaining 8 episodes," he said. "There's an episode called "RALLY" coming up in a few weeks where we do a whole bunch -- everyone gets a flash forward peek into the near and far future..."

Fashion & Style also reports that the pineapple mystery may soon be solved!

"You might find out what happened with the pineapple eventually," Bays said.

"We had always said we'd never reveal it, but now I'd say it's fifty fifty. It's always been an appealing idea to us artistically to leave it as the one mystery that never gets solved. But on the other hand, we do have an explanation for it that we like so it may make its way into these last few episodes."

Bays added that there will be more scenes with the Mother.

"We'll definitely get to see the entire gang with the Mother," he wrote.

The co-creators also revealed that Bob Saget, Scooter, and Robin Sparkles will return; and one of the last scenes in "How I Met Your Mother" season 9 will be set in MacLaren's.

"How I Met Your Mother" season 9, episode 18, "Rally" airs Monday night, on February 24, at 8 p.m. EST on CBS.