Watch How I Met Your Mother Season 04 Episode 24 – The Leap

Watch How I Met Your Mother Season 04 Episode 23 – As Fast As She Can

Watch How I Met Your Mother Season 04 Episode 22 – Right Place Right Time

Alternative:

Watch How I Met Your Mother Season 04 Episode 21 – The Three Days Rule

Alternative:

Watch How I Met Your Mother Season 04 Episode 20 – Mosbius Designs

Watch How I Met Your Mother Season 04 Episode 19 – Murtaugh

Watch How I Met Your Mother Season 04 Episode 18 – Old King Clancy