EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-17379) of SeaChange International, Inc. of our report dated March 5, 2001, except for the information presented in Note 12 for which the date is April 30, 2001, relating to the financial statements and financial statement schedule, which appears in this Form 10-K. /s/ PricewaterhouseCoopers LLP Boston, Massachusetts April 30, 2001