EXHIBIT31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICEROFUNIVERSAL CITY DEVELOPMENT PARTNERS, LTD.PURSUANT TO RULES13a-15(e) and 15d-15(e)

I, Robert K. Gault, Jr.certify that:

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|  | 1.  | I have reviewed thisquarterly report on Form 10-Q of Universal City Development Partners,Ltd. and UCDP Finance, Inc.; |

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|  | 2.  | Based on my knowledge, this reportdoes not contain any untrue statement of a material fact or omit tostate a material fact necessary to make the statements made, in lightof the circumstances under which such statements were made, notmisleading with respect to the period covered by thisreport; |

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|  | 3.  | Based on my knowledge, thefinancial statements, and other financial information included in thisreport, fairly present in all material respects the financialcondition, results of operations and cash flows of the registrants asof, and for, the periods presented in this report; |

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|  | 4.  | The registrant's othercertifying officer and I are responsible for establishing andmaintaining disclosure controls and procedures (as defined in ExchangeAct Rules 13a-15(e) and 15(d)-15(e)) for the registrants andhave: |

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|  | a)  | Designed such disclosurecontrols and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure thatmaterial information relating to the registrants, including theirconsolidated subsidiaries, is made known to us by others within thoseentities, particularly during the period in which this report is beingprepared; |

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|  | b)  | Evaluated theeffectiveness of the registrant's disclosure controls andprocedures and presented in this report our conclusions about theeffectiveness of the disclosure controls and procedures, as of the endof the period covered by this report based on such evaluation;and |

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|  | c)  | Disclosed in this report anychange in the registrant's internal control over financialreporting that occurred during the registrant's most recentfiscal quarter that has materially affected, or is reasonably likely tomaterially affect, the registrant's internal control overfinancial reporting; and |

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|  | 5.  | Theregistrant's other certifying officer and I have disclosed, basedon our most recent evaluation of internal control over financialreporting, to the registrant's auditors and the audit committeeof the registrant's board of directors (or persons performing theequivalent functions): |

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|  | a)  | Allsignificant deficiencies and material weaknesses in the design oroperation of internal control over financial reporting which arereasonably likely to adversely affect the registrant's ability torecord, process, summarize and report financial information; and |

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|  | b)  | Any fraud, whether or not material,that involves management or other employees who have a significant rolein the registrant's internal control over financialreporting. |

Date: November 9, 2004

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|   |  | By:    |  | /s/Robert K. Gault, Jr.                       |
|   |  |   |  | Robert K. Gault,Jr.Principal ExecutiveOfficer |
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