Jack Muldoon's brace, plus strikes by Lloyd Kerry and Aaron Martin sunk the Shrimpers and took Simon Weaver's men to the top of the League two standings on the opening day of 2020/21.
Here's a selection of images from Saturday's clash at Roots Hall. PICTURES: GETTY IMAGES.
5. Southend United v Harrogate Town
George Thomson attempts to evade Southend defender Nathan Ralph's sliding challenge.
6. Southend United v Harrogate Town
Town's central-defensive pairing of Connor Hall, left, and Will Smith converge of Southend's Brandon Goodship.
7. Southend United v Harrogate Town
Lloyd Kerry flies into a challenge with Terrell Egbri.
8. Southend United v Harrogate Town
Town took a 2-0 lead into the interval following an assured first-half showing.