"I greatly appreciate Bar as a person, but he needs to announce his resignation," Ilan Lotan added.
The hearings will focus on Case 1000, the "Illegal Gifts" affair.
Netanyahu on trial • Haredim protest against IDF draft orders • Netanyahu says Iran's nuclear program must go • Hostage family provides details of captivity
In a recording, Shin Bet chief Ronen Bar says he has no desire to stay and faces harassment against his family.
Netanyahu and Shin Bet chief Bar each admit partial truths about October 7, exposing deeper issues of trust and leadership.
Yair Lapid, Benny Gantz, and Yair Golan all denounced Netanyahu, as well as senior activists representing families affected by the October 7 massacre.
The prime minister, in his affidavit to the High Court of Justice, claimed Ronen Bar did not alert him to the dangers of Hamas's invasion.