Edan Alexander -- the American-Israeli hostage freed from Gaza last week -- was "weak and exhausted" upon his dramatic release, his mother Yael told ABC News.

The Tenafly native had a joyous reunion with his family, but Israeli doctors say many freed hostages come home with emotional and physical scars.

Edan Alexander’s parents revealed Monday that they missed eight calls telling them their son was finally being released by Hamas terrorists — and that they nearly knocked him over when they were finally reunited because he was “so weak.