Karen is a fictional character portrayed by Laura Prepon in the TV series How I Met Your Mother.
In the first episode they appeared in, titled Sorry, Bro (season 4), they were 29 years old.
They appear in 3 episodes out of a total of 208 aired
Karen is also portrayed by Katie Savoy.
Episodes3
Sorry, Bro
episode S4.E16 march 2009Ted meets with his ex-girlfriend from college--a girlfriend who cheated on him constantly and Marshall and Lily can't stand, and Marshall tells the story about how he forgot to bring his pants to work.The Front Porch
episode S4.E17 march 2009Ted becomes angry with Lily when he finds out that she has been sabotaging all his relationships that she did not approve of, including his relationship with Robin.Say Cheese
episode S5.E18 march 2010Ted angers Lily when he brings a random date to her birthday party, so she is forced to remind him of all the other random women he has brought along to important functions, only to discover that they weren't "the one."
- Sorry, Bro
- The Front Porch
- Say Cheese