The Three Days Rule
🎞️ S4 E21 🚫 Hard pass

How I Met Your Mother

Is How I Met Your Mother S4 E21 OK for kids?

The Three Days Rule

When Ted breaks Barney and Marshall's "three days rule" by having a "text" relationship with a girl he just met, they play a cruel joke on him by pretending to be her.

📺 Where to watch

Netflix, HBO or Disney+ — catalogs differ by country.

🛒 Where to buy

Digital seasons or a box set to keep.

Content guide

👊 Violence
💋 Sex
🙊 Language
⭐ Overall

Skip for under 13

How I Met Your Mother S4 E21, “The Three Days Rule”, scores 1/5 for violence, 4/5 for sex and 3/5 for language, for an overall kid-rating of 4/5 — Skip for under 13. When Ted breaks Barney and Marshall's "three days rule" by having a "text" relationship with a girl he just met, they play a cruel joke on him by pretending to be her.

Across the episode we counted 13 flagged moments in 4 themes: Sex & hookups (4); Nudity & bodies (4); Swearing (4); Alcohol & drugs (1). Every moment below is either a direct quote from the episode transcript or a short description of what happens on screen, so you can decide before you press play.

Watch for — every moment, theme by theme

Sex & hookups 4 moments

How Sex & hookups shows up in How I Met Your Mother S4 E21:

  • Now he's only wearing the cowboy boots! - It is on! - It is so on! Tell him that we're we're slowing slipping out of our What are we doing? I think that we're about to have sex with Ted.
  • There are things I could do to him that would blow his mind - Why do we want to have sex with Ted? - I don't know.
  • Or we tell him our favorite color is red, and we think the cowboy look is very sexy.
  • I'm wearing them right now, and they do look sexy.

Nudity & bodies 4 moments

How Nudity & bodies shows up in How I Met Your Mother S4 E21:

  • You made your naked lady noise.
  • What?! - Whenever you see a naked lady, you make the noise.
  • That's totally a boob.
  • You think maybe we're wearing a black lace bra underneath? I don't think we're wearing anything underneath.

Swearing 4 moments

How Swearing shows up in How I Met Your Mother S4 E21:

  • You sons of bitches.
  • I'm cuddly, bitch.
  • "But what the hell, I'll just say it.
  • And then I proceed to waste a half hour of those bastards' lives, telling them about this dream I had where I ate dinner with my top 5 favorite architects throughout history.

Alcohol & drugs 1 moment

How Alcohol & drugs shows up in How I Met Your Mother S4 E21:

  • "I like beer, too.

Watch With The Kids · You kids — your rules! · Informal parent guidance, not an official rating.