How I Met Your Mother - Full Series Information, Trailer & IMDb Reviews
Watch How I Met Your Mother Season 4 Episode 21 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
When Ted violates the 'three days rule' by continually texting with a girl he's just met, Barney and Marshall retaliate by impersonating her.