Sheldon attempts to help Penny understand physics to impress Leonard, while Howard becomes jealous when Bernadette takes an interest in Leonard's research.
#1 | Released 2009-12-07, Rated TV-14 Score 20.057 |

#2 | Released 2009-12-07, Rated TV-14 Score 15.691 |

#3 | Released 2009-12-07, Rated TV-14 Score 15.031 |

#4 | Released 2009-12-07, Rated TV-14 Score 13.522 |

#5 | Released 2009-12-07, Rated TV-14 Score 12.958 |

#6 | Released 2009-12-07, Rated TV-14 Score 12.302 |

#7 | Released 2009-12-07, Rated TV-14 Score 11.647 |

#8 | Released 2009-12-07, Rated TV-14 Score 11.096 |

#9 | Released 2009-12-07, Rated TV-14 Score 10.934 |

#10 | Released 2009-12-07, Rated TV-14 Score 10.737 |

#11 | Released 2009-12-07, Rated TV-14 Score 10.693 |

#12 | Released 2009-12-07, Rated TV-14 Score 10.671 |

#13 | Released 2009-12-07, Rated TV-14 Score 10.648 |

#14 | Released 2009-12-07, Rated TV-14 Score 10.565 |

#15 | Released 2009-12-07, Rated TV-14 Score 10.398 |

#16 | Released 2009-12-07, Rated TV-14 Score 10.166 |

#17 | Released 2009-12-07, Rated TV-14 Score 10.145 |

#18 | Released 2009-12-07, Rated TV-14 Score 9.6332 |

#19 | Released 2009-12-07, Rated TV-14 Score 9.5328 |

#20 | Released 2009-12-07, Rated TV-14 Score 9.5231 |

#21 | Released 2009-12-07, Rated TV-14 Score 9.3852 |

#22 | Released 2009-12-07, Rated TV-14 Score 9.3702 |

#23 | Released 2009-12-07, Rated TV-14 Score 9.3399 |

#24 | Released 2009-12-07, Rated TV-14 Score 9.3247 |

#25 | Released 2009-12-07, Rated TV-14 Score 9.1960 |
