Trevor Chappell few days later [Austin] Robinson, Dennis' manager, rang and said, "Do you want to join World Series Cricket" and I said, "Yeah, where do I sign?"" In 1977–78 Chappell played ten games for WSC Australia in the Country Cup, scoring 339 runs, more than any other Australian batsman, although his average was only 26. A highlight was a 110 he scored against the West Indies in Albury. He also scored 56 off 300 minutes against a World XI in a Lismore game which resulted in him being booed by the crowd for slow scoring. "Trevor Chappell batted exceptionally well and
Ian Chappell looked misguided when Chappell managed just 92 runs (at 11.5 average), with a top score of 34, as Australia lost 0–4. On this tour, Chappell clashed with cricket administrators over pay and conditions for the first time. The South African authorities requested that an extra Test be added to the fixture and the Australian Board of Control consented. Incensed that the players were not consulted about the change, Chappell led a group of his teammates in a demand for more money to play the proposed game. Eventually the match was cancelled after Chappell and his supporters refused to back down.