Unfortunately, "How I Met Your Mother" fans will have to wait until the end of the month before CBS airs another all-new episode of the popular comedy sitcom on Feb. 24.

In the next installment, which is titled "Rally," the gang will try to help Barney recover after he wakes up on the morning of his wedding with a major hangover. Ray Wise will also make a guest appearance playing Robin's father and add to the madness as Barney tries to recoup from his drunken stupor, notes CarterMatt.

CBS issued a press release giving a synopsis of the upcoming episode that 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."

Earlier this month, HIMYM creators Craig Thomas and Carter Bays unveiled more info about what's ahead in "Rally" in a Reddit AMA session in which Thomas stated that fans can expect to see a lot of flash-forwards.

"[We] will see more and more flash-forwards in the remaining 8 episodes. 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," he said.

Another interesting tidbit that they revealed was that at one point the role of Robin was pitched to Jennifer Love Hewitt, however she turned it down for "Ghost Whisperer." Instead, Cobie Smulders was cast for the part.

Lastly, the showrunners teased that there may be a reference to Robin Sparkles even if an entire episode does not focus on her. However, they didn't reveal much about Ashley Benson who plays Barney's half-sister Carly or how the story is going to end.

"How I Met Your Mother" S9E18, "Rally," is set to air on Monday, Feb. 24 at 8 p.m. on CBS.