Aired Tuesday February 13, 5:30am - 6:00amon E4
How I Met Your MotherSeries 5 Episode 24: Doppelgangers
Marshall and Lily make a secret pact to start trying to have a baby if they see Barney's doppelgänger, as he is the only member of the gang not to have a double.
- Original air date
Cast and crew