How I Met Your Mother backdrop
How I Met Your Mother S4E20 — Mosbius Designs
7.4
How I Met Your Mother•Season 4•Episode 20

Mosbius Designs

7.4/10 · 4,112 votesApr 13, 200922 min

Ranked #24 of 24 in Season 4•−0.7 vs season avg

Discussion

Ted goes out on his own as an architect and hires an intern to help get things started, but the intern gets a little too close to others in the gang.

Directed byPamela Fryman
Written byKourtney Kang
Previous episodeE19 · MurtaughNext episodeE21 · The Three Days Rule
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons9

All123456789

Season 4 Episodes24

Do I Know You? stillE1 8.5

Do I Know You?

The Best Burger in New York stillE2 8.4

The Best Burger in New York

I Heart NJ stillE3 7.5

I Heart NJ

Intervention stillE4 8.7

Intervention

Shelter Island stillE5 8.2

Shelter Island

Happily Ever After stillE6 7.9

Happily Ever After

Not a Father's Day stillE7 7.6

Not a Father's Day

Woooo! stillE8 7.9

Woooo!

The Naked Man stillE9 9.1

The Naked Man

The Fight stillE10 8.2

The Fight

Little Minnesota stillE11 8.0

Little Minnesota

Benefits stillE12 8.5

Benefits

Three Days of Snow stillE13 8.4

Three Days of Snow

The Possimpible stillE14 8.2

The Possimpible

The Stinsons stillE15 8.2

The Stinsons

Sorry, Bro stillE16 7.6

Sorry, Bro

The Front Porch stillE17 8.2

The Front Porch

Old King Clancy stillE18 7.4

Old King Clancy

Murtaugh stillE19 8.2

Murtaugh

Mosbius Designs stillE20 7.4Now viewing

Mosbius Designs

The Three Days Rule stillE21 8.6

The Three Days Rule

Right Place, Right Time stillE22 8.1

Right Place, Right Time

As Fast as She Can stillE23 7.5

As Fast as She Can

The Leap stillE24 8.6

The Leap

Cast5

Josh Radnor

Josh Radnor

Ted Mosby

Neil Patrick Harris

Neil Patrick Harris

Barney Stinson

Jason Segel

Jason Segel

Marshall Eriksen

Alyson Hannigan

Alyson Hannigan

Lily Aldrin

Cobie Smulders

Cobie Smulders

Robin Scherbatsky

Crew3

Greg Malins

Greg Malins

Executive Producer

K

Kourtney Kang

Writer

Pamela Fryman

Pamela Fryman

Director

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"Mosbius Designs" is episode 20 of How I Met Your Mother season 4. It scored 7.4/10 from 4,112 votes, ranking #24 of 24 episodes this season (season average 8.1). Directed by Pamela Fryman and written by Kourtney Kang, it aired on April 13, 2009.

Next: E21 · The Three Days RuleBest of Season 4