Ted and the Goat
Watch How I Met Your Mother Season 4 Episode 24
"The Leap"
Original Air Date:

It's Ted's 31st birthday; Barney gets ready to profess his love to Robin; and Marshall wants to take the leap.

Stella and Tony
Watch How I Met Your Mother Season 4 Episode 23
"As Fast As She Can"
Original Air Date:

Tony tries to make things right with Ted after stealing Stella from him; Barney tries to talk his way out of a speeding ticket

Ted and the Yellow Umbrella
Watch How I Met Your Mother Season 4 Episode 22
"Right Place Right Time"
Original Air Date:

Ted explains how a series of random events led him to meet to a pivotal woman while he had a yellow umbrella.

Marshall and Barney Texting
Watch How I Met Your Mother Season 4 Episode 21
"The Three Days Rule"
Original Air Date:

When Ted violates the three day rule by texting a girl he just met, Barney and Marshall pretend to be the girl to mess with him.

Barney Scares off Lily
Watch How I Met Your Mother Season 4 Episode 20
"Mosbius Designs"
Original Air Date:

Ted starts his own architecture firm and hires an intern to get things started, but the intern gets too close with members of the gang.

Barney Plays Laser Tag
Watch How I Met Your Mother Season 4 Episode 19
"Murtaugh"
Original Air Date:

When Barney finds out that Ted made a list of things he thinks the gang is too old to do, Barney attempts to complete the whole list in 24 hours to prove them wrong.

The Old King Clancey
Watch How I Met Your Mother Season 4 Episode 18
"Old King Clancy"
Original Air Date:

Ted is shocked when he finds out that he was fired from building the new GNB headquarters months ago and that Barney and Marshall went through great lengths to hide it from him.

Ted and Karen on the Porch
Watch How I Met Your Mother Season 4 Episode 17
"The Front Porch"
Original Air Date:

When Ted's girlfriend, Karen (Laura Prepon), discovers Robin's earring in his bed, Ted finds out it was actually Lily that planted it there and she's been sabotaging his relationships for years.

Ted and Karen in College
Watch How I Met Your Mother Season 4 Episode 16
"Sorry, Bro"
Original Air Date:

Ted's old college girlfriend Karen (Laura Prepon) comes back into Ted's life, making Marshall and Lily remember just how much they hated her, something they never told Ted.

The Gang Outside the House
Watch How I Met Your Mother Season 4 Episode 15
"The Stinsons"
Original Air Date:

The gang meets Barney's wife and kid they never knew existed. Of course, we know it's all just a show for his mother.

HIMYM Quotes

Whatever you do in this life, it's not legendary, unless your friends are there to see it.

Barney

You are the love of my life. Everything I have and everything I am is yours. Forever.

Barney