She appeared in a magistrate's court in Harare on Wednesday, along with the four MDC members who were in leg irons and prisonclothes, reports the BBC's Brian Hungwe from the city.
Wearing prisonclothes, Bitar appeared relieved he was getting out of prison as part of a bail package that will see him return home for the first time in more than a year to Glendora, Calif.
Another activist Zainab al-Khawaja, who was jailed for three months in March, has been denied access to her family for refusing to wear prison issue clothes.