Rab Hamilton (artist), Tod Sullivan (writer)
Released 11/06/1965 - 01/08/1966
Printed in TV Century 21, #42-#51 (10 issues with 1 page in each) - Brent Cleever (Secret Agent 21) is given the mission to overthrow the dictatorship that rule Britain in 2046 that is the same mission that Brown (Agent 24) failed at. He takes Tina (Agent 23) with him.
Here are the pages I have of it.