1 EXHIBIT 10.20 AMENDMENT NO. 6 TO EXCHANGE AGREEMENT AMENDMENT, dated as of February 1, 1997, by and among VIE Holding Company (the "Company"), a Delaware corporation (successor-in-interest to Spelling Entertainment Group Inc. "SEGI")), Blockbuster Entertainment Group ("BEG") a division of Viacom International Inc., a Delaware corporation (successor-in-interest to Blockbuster Entertainment Corporation), and SEGI Holding Co. ("SEGI Holding"), a Delaware corporation (successor-in-interest to Blockbuster Interactive Entertainment, Inc.), to that certain Exchange Agreement by and among the Company, BEG and SEGI Holding dated as of June 30, 1994, amended as of July 8, 1995, November 7, 1995, February 22, 1996, May 6, 1996 and November 5, 1996 and assigned by SEGI to the Company as of December 8, 1995 (as so amended and assigned, the "Agreement"). WHEREAS, the Company, BEG and SEGI Holding have agreed to amend certain provisions of the Agreement pertaining to BEG's Put Right and the Company's Call Right; NOW, THEREFORE, in consideration of the premises and pursuant to Section 12.3 of the Agreement, the Company, BEG and SEGI Holding hereby agree as follows: 1. Section 10.5(c) of the Agreement is hereby amended to read in its entirety as follows: (c) The options provided for in this Section 10.5 are collectively referred to herein as the "Put Right." The Put Right may be exercised by BEG at any time within the 90 day period commencing on February 1, 1996 and concluding on May 2, 1997. 2. Section 10.6(b) of the Agreement is hereby amended to read in its entirety as follows: (b) The options provided for in this Section 10.6 are referred to herein as the "Call Right." The Call Right may be exercised by the Company at any time within the 90 day period commencing on February 1, 1996 and concluding on May 2, 1997. 3. This Amendment shall be deemed effective as of February 1, 1997. 4. Except as expressly provided in this Amendment, the Agreement shall not be deemed amended, modified or altered in any manner whatsoever. 5. Capitalized terms not otherwise defined herein shall have the meaning given to them in the Agreement. 2 6. This Amendment may be executed in one or more counterparts and by the different parties hereto in separate counterparts, each of which when executed shall be deemed to mean original but all of which taken together shall constitute one and the same agreement. IN WITNESS WHEREOF, the undersigned have caused this Amendment No. 6 to Exchange Agreement to be duly executed on this 1st day of February, 1997 BLOCKBUSTER ENTERTAINMENT GROUP, a division of Viacom International, Inc. By: /s/ MICHAEL D. FRICKLAS ------------------------------------ Name: Michael D. Fricklas ---------------------------------- Title: Senior Vice President --------------------------------- SEGI HOLDING CO. By: /s/ MICHAEL D. FRICKLAS ------------------------------------ Name: Michael D. Fricklas ---------------------------------- Title: Senior Vice President --------------------------------- VIE HOLDING COMPANY By: /s/ PETER H. BACHMANN ------------------------------------ Name: Peter H. Bachmann ---------------------------------- Title: President --------------------------------- 2