UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549


                                    FORM 8-K


                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934


       Date of Report (Date of earliest event reported): OCTOBER 12, 2005


                              INSIGHT MIDWEST, L.P.
                              INSIGHT CAPITAL, INC.
           (Exact name of Registrants as specified in their charters)


       DELAWARE                     333-33540                  13-4079232
       DELAWARE                    333-33540-1                 13-4079679
(State of incorporation       (Commission File Nos.)          (IRS Employer
   or organization)                                         Identification Nos.)


                                 810 7TH AVENUE
                            NEW YORK, NEW YORK 10019
                    (Address of principal executive offices)


                  Registrants' telephone number: (917) 286-2300


     Check the  appropriate  box below if the Form 8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the Registrant under any of the
following provisions:

     |_| Written  communications  pursuant to Rule 425 under the  Securities Act
(17 CFR 230.425)

     |_| Soliciting  material pursuant to Rule 14a-12 under the Exchange Act (17
CFR 240.14a-12)

     |_|  Pre-commencement  communications  pursuant to Rule 14d-2(b)  under the
Exchange Act (17 CFR 240.14d-2(b))

     |_|  Pre-commencement  communications  pursuant to Rule 13e-4(c)  under the
Exchange Act (17 CFR 240.13e-4(c))





ITEM 1.01. ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT.

     On October 12, 2005, Insight Midwest,  L.P. ("Insight Midwest") and Insight
Capital,  Inc.  ("Insight Capital" and,  collectively with Insight Midwest,  the
"Registrants") entered into a Second Supplemental Indenture with The Bank of New
York,  as Trustee (the  "Trustee"),  to each of (i) the  Indenture,  dated as of
October 1, 1999 (as supplemented by the First Supplemental Indenture dated as of
January 14,  2004,  the "9 3/4%  Indenture"),  between the  Registrants  and the
Trustee,  providing  for the issue of the  Registrants'  9 3/4% Senior Notes Due
2009 (the "9 3/4% Notes") and (ii) the  Indenture,  dated as of November 6, 2000
(as  supplemented  by the First  Supplemental  Indenture dated as of January 14,
2004, the "10 1/2% Indenture" and,  collectively with the 9 3/4% Indenture,  the
"Indentures"),  between the Registrants and the Trustee, providing for the issue
of the  Registrants'  10 1/2%  Senior  Notes Due 2010 (the "10 1/2%  Notes" and,
collectively  with the 9 3/4%  Notes,  the  "Notes").  The  Second  Supplemental
Indenture  relating to each of the 9 3/4%  Indenture  and the 10 1/2%  Indenture
shall be sometimes individually referred to herein as a "Supplemental Indenture"
and collectively as the "Supplemental Indentures."

     Each  Supplemental  Indenture  provides  that,  subject  to  payment of the
Consent  Payment (as defined in each  Supplemental  Indenture)  on or before the
Consent Payment Date (as defined in each Supplemental Indenture) relating to the
Registrants'  consent  solicitations with respect to the Notes having expired on
October 12, 2005,  the  provisions of Section 4.15 of each  Indenture are waived
with respect to the  execution  and delivery of the Agreement and Plan of Merger
dated July 28, 2005,  relating to the proposed merger (the "Proposed Merger") of
Insight Acquisition Corp. with and into Insight Communications Company, Inc. and
the other  agreements  and  instruments  executed and  delivered  in  connection
therewith and the consummation of the transactions contemplated thereby.

     The Supplemental  Indentures further provide that in the event the Proposed
Merger is not  consummated on or prior to the  Termination  Date and the Consent
Payment is not made, the Waiver (as defined in each Supplemental  Indenture) and
Section 2 of each Supplemental Indenture will have no further effect.

ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS.

(a)  Financial Statements of Businesses Acquired - None

(b)  Pro Forma Financial Information - None

(c)  Exhibits:

    EXHIBIT NO.     DESCRIPTION

        4.1         Second Supplemental Indenture, dated as of October 12, 2005,
                    between the Registrants  and The Bank of New York,  relating
                    to the Registrants' 9 3/4% Senior Notes Due 2009

       4.2          Second Supplemental Indenture, dated as of October 12, 2005,
                    between the Registrants  and The Bank of New York,  relating
                    to the Registrants' 10 1/2% Senior Notes Due 2010




                                   SIGNATURES

     Pursuant to the  requirements of the Securities  Exchange Act of 1934, each
of the Registrants has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                       INSIGHT MIDWEST, L.P.
                                            (Registrant)



Date: October 18, 2005                 By:   /s/ John Abbot
                                             ------------------------------
                                             John Abbot
                                             Senior Vice President
                                                and Chief Financial Officer



                                       INSIGHT CAPITAL, INC.
                                            (Registrant)



Date: October 18, 2005                 By:   /s/ John Abbot
                                             ------------------------------
                                             John Abbot
                                             Senior Vice President
                                                and Chief Financial Officer