SeaChange International (SEAC) 10-K 2015 FY Annual report

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the annual report of SeaChange International, Inc. (the “Company”) on Form 10-K for the year ended January 31, 2015 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Jay A. Samit, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(1) The Company’s Annual Report on Form 10-K fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ JAY A. SAMIT

Jay A. Samit

Chief Executive Officer and Director

Dated: April 7, 2015