The Large Hadron Collision
🎞️ S3 E15 🚫 Hard pass

The Big Bang Theory

Is The Big Bang Theory S3 E15 OK for kids?

The Large Hadron Collision

Leonard can only bring one guest on a trip to see CERN's Large Hadron Collider in Switzerland on Valentine's Day.

📺 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

The Big Bang Theory S3 E15, “The Large Hadron Collision”, scores 2/5 for violence, 4/5 for sex and 1/5 for language, for an overall kid-rating of 4/5 — Skip for under 13. Leonard can only bring one guest on a trip to see CERN's Large Hadron Collider in Switzerland on Valentine's Day.

Across the episode we counted 9 flagged moments in 5 themes: Sex & hookups (2); Nudity & bodies (2); Violence & injury (2); Suicide & self-harm (1); Alcohol & drugs (2). 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 2 moments

How Sex & hookups shows up in The Big Bang Theory S3 E15:

  • Raj Fine, tell us you’re going to have sex with Penny.
  • Raj It’s okay. I don’t mind hearing about your sex life. It’s his that bugs me.

Nudity & bodies 2 moments

How Nudity & bodies shows up in The Big Bang Theory S3 E15:

  • Explicit body / sex-act language appears in dialogue.
  • Raj Not much. Nuked a burrito. Prayed to the Hindu god Urvashi that your bowels would loosen and your penis would droop like a willow tree.

Violence & injury 2 moments

How Violence & injury shows up in The Big Bang Theory S3 E15:

  • Sheldon Given that Saint Valentine was a third century Roman priest who was stoned and beheaded, wouldn’t a more appropriate celebration of the evening be taking one’s steady gal to witness a brutal murder?
  • Leonard No. But it does involve air travel. Okay, um, let me slice this Swiss cheese with my Swiss army knife, and then you can wash it down with a cup of Swiss Miss instant cocoa.

Suicide & self-harm 1 moment

How Suicide & self-harm shows up in The Big Bang Theory S3 E15:

  • Sheldon You’re right. Judas had the decency to hang himself after what he did.

Alcohol & drugs 2 moments

How Alcohol & drugs shows up in The Big Bang Theory S3 E15:

  • Sheldon Given that Saint Valentine was a third century Roman priest who was stoned and beheaded, wouldn’t a more appropriate celebration of the evening be taking one’s steady gal to witness a brutal murder?
  • Raj Oh, my goodness, look at this room! Champagne! Roses! Oh, and little chocolates! This is going to be the best Valentine’s Day ever.

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