The Jerusalem Duality
🎞️ S1 E12 🤔 Caution

The Big Bang Theory

Is The Big Bang Theory S1 E12 OK for kids?

The Jerusalem Duality

When Leonard and Sheldon meet a 15-year-old physics prodigy, Sheldon is distraught that this boy genius is younger and smarter, so in an attempt to restore his sense of purpose, the boys come up with a solution to derail Dennis' research.

📺 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

Preview first — about 10+

The Big Bang Theory S1 E12, “The Jerusalem Duality”, scores 3/5 for violence, 2/5 for sex and 2/5 for language, for an overall kid-rating of 3/5 — Preview first — about 10+. When Leonard and Sheldon meet a 15-year-old physics prodigy, Sheldon is distraught that this boy genius is younger and smarter, so in an attempt to restore his sense of purpose, the boys come up with a solution to derail Dennis' research.

Across the episode we counted 8 flagged moments in 4 themes: Sex & hookups (3); Violence & injury (1); Alcohol & drugs (3); Racism & slurs (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.

Parents need to know

Age 10+

Racist language, violence, sex talk in live-action sitcom.

Parents need to know that The Big Bang Theory S1 E12, "The Jerusalem Duality", is a live-action sitcom episode. The series is known for more innuendo than the science jokes suggest, but rarely explicit. Sits in the gray area mainly on violence & injury (explicit, in dialogue). Violence includes Leonard says, "Hang on, are we talking about murdering Dennis Kim? I’m not saying no". Sexual content is mild but includes Raj says, "She was sleeping with you?". Some mild language appears in the dialogue. This episode includes racism & slurs — for example, Leonard says, "Howard, that’s racist, any fifteen year-old girl will do the trick. (Penny slams door.)". Characters drink or talk about alcohol and drugs — Penny (to Raj): Mmm, this is really delicious, isn’t it? (Raj looks uncomfortable, then…. Every flagged moment below is a direct quote from the transcript or a short description of what happens on screen.

Watch for — every moment, theme by theme

Sex & hookups 3 moments

How Sex & hookups shows up in The Big Bang Theory S1 E12:

  • Caution
    Raj She was sleeping with you?
  • Caution
    Howard All he has to do now is hook up with one of them. (The look at Dennis, who is picking his ear.)
  • Mild
    Howard I guess times have changed since we were young. Smart is the new sexy.

Violence & injury 1 moment

How Violence & injury shows up in The Big Bang Theory S1 E12:

  • Too much
    Leonard Hang on, are we talking about murdering Dennis Kim? I’m not saying no.

Alcohol & drugs 3 moments

How Alcohol & drugs shows up in The Big Bang Theory S1 E12:

  • Mild
    Penny (to Raj): Mmm, this is really delicious, isn’t it? (Raj looks uncomfortable, then nods.) Still can’t talk to me unless you’re drunk, huh? (Shakes head) Oh, sweetie, you are so damaged.
  • Mild
    Howard No, I just wasted a lot of time thinking about what it would be like if she did.
  • Mild
    Leonard Like what? We can’t get fifteen year-old girls drunk.

Racism & slurs 1 moment

How Racism & slurs shows up in The Big Bang Theory S1 E12:

  • Too much
    Leonard Howard, that’s racist, any fifteen year-old girl will do the trick. (Penny slams door.)

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