In 1978 she was Nine Network's replacement for Daryl Somers and Ossie Ostrich (which is nothing else than a large ostrich puppet) when the pair defected to 0-10. On their return to Nine later in the year, she was asked to join them as co-presenter of Hey Hey It's Saturday, a role which she continued for a decade.
She was also presenter of TVQ-0's Eyewitness News bulletins in the 1980s, which made her one of the few presenters to appear for two different networks at the same time (in her case, the Nine and Ten networks).
Jacki kept out of the spotlight following her departure from Hey Hey in 1988. She returned to television in 1991 to host Australia's Funniest Home Video Show, and in 1992 former Hey Hey It's Saturday producer Gavan Disney approached her to co-host his new TV program Healthy Wealthy And Wise which was being produced for Network Ten. Jacki continued with the new program for a couple of years before leaving television altogether.
Her most recent TV appearance was on the 2005 Network Ten special Seriously 40, which commemorated 40 years of Network Ten. Since then, she disappeared from our screens.