The Hamburger Postulate
🎞️ S1 E5 🚫 Too much

The Big Bang Theory

Is The Big Bang Theory S1 E5 OK for kids?

The Hamburger Postulate

After sensing his pursuit of Penny isn't going anywhere, Leonard agrees to an unexpected sexual encounter with fellow scientist Leslie Winkle.

📺 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 S1 E5, “The Hamburger Postulate”, 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. After sensing his pursuit of Penny isn't going anywhere, Leonard agrees to an unexpected sexual encounter with fellow scientist Leslie Winkle.

Across the episode we counted 13 flagged moments in 4 themes: Sex & hookups (8); Nudity & bodies (2); Violence & injury (2); 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.

Parents need to know

Age 13+

Sex talk, nudity, drinking in live-action sitcom.

Parents need to know that The Big Bang Theory S1 E5, "The Hamburger Postulate", is a live-action sitcom episode. The series is known for more innuendo than the science jokes suggest, but rarely explicit. Driven by sex & hookups (explicit, in dialogue), with nudity & bodies alongside it. Violence is mild but includes Lesley says, "Because I’ve got a bowl of Cheerios and I couldn’t find a knife". Sexual content is explicit — for example, Lesley says, "You stick electrodes in a rat’s brain, give him an orgasm button, he’ll push that thing…"; Explicit body / sex-act language appears in dialogue. Characters drink or talk about alcohol and drugs — Lesley says, "Well, I thought I saw your pupils dilate when you looked at her, which, unless you’re a…". 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 8 moments

How Sex & hookups shows up in The Big Bang Theory S1 E5:

  • Too much
    Lesley You stick electrodes in a rat’s brain, give him an orgasm button, he’ll push that thing until he starves to death.
  • Caution
    Leonard Oh. Okay. A little musical foreplay. Terrific.
  • Caution
    Penny Well, a little bird told me that you and Lesley hooked up last night.
  • Mild
    Lesley Just so we’re clear, you understand that me hanging back to practise with you is a pretext for letting you know that I’m sexually available.
  • Mild
    Lesley So, you’re open to a sexual relationship?
  • Mild
    Penny Wait, you had to leave the state because your roommate was having sex?
  • Mild
    Sheldon Boy, you’re wound awfully tight for a man who just had sexual intercourse.
  • Mild
    Lesley Well, I don’t know about your sex drive, but I’m probably good till New Years.

Nudity & bodies 2 moments

How Nudity & bodies shows up in The Big Bang Theory S1 E5:

  • Too much
    Explicit body / sex-act language appears in dialogue.
  • Mild
    Lesley Yep, come for the breasts, stay for the brains. So, I’m glad I ran into you, the physics department string quartet needs a new cellist.

Violence & injury 2 moments

How Violence & injury shows up in The Big Bang Theory S1 E5:

  • Caution
    Lesley Because I’ve got a bowl of Cheerios and I couldn’t find a knife.
  • Mild
    Leonard Yeah, my parents felt that naming me Leonard and putting me in advanced placement classes wasn’t getting me beaten up enough.

Alcohol & drugs 1 moment

How Alcohol & drugs shows up in The Big Bang Theory S1 E5:

  • Too much
    Lesley Well, I thought I saw your pupils dilate when you looked at her, which, unless you’re a heroin addict, points to sexual attraction.

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