Since 2012, Zempilas has been part of the Seven Network's expanded AFL broadcast team. Between 2012 and 2016, he mainly called Saturday afternoon matches and occasionally some Friday night (if the match in this timeslot is played in Perth) and Sunday afternoon matches; in 2017, he called Saturday night matches and continued to call Thursday and Friday night matches played in Perth. In 2018, due to his "Weekend Sunrise" commitments, his football duties was reduced to calling only Friday and Saturday night matches played in Sydney, and some matches in Perth.