This series knocked ITC's sci-fi series Space:1999 out of CBS's 1974 fall schedule, forcing that show into first-run television syndication a year later.
It is the will of the gods.
Galen: It is the will of Galen.
It is clear from the numerous shots of the palms of Galen's hands that they are gloves, though the character doesn't wear gloves.
In 1981, selected episodes were re-edited into five made for TV movies: Back to the Planet of the Apes (1981) Forgotten City of the Planet of the Apes (1981) Treachery and Greed on the Planet of the Apes (1981) Life, Liberty and the Pursuit of the Planet of the Apes (1981) Farewell to the Planet of the Apes (1981). One episode, "The Liberator," was not aired during the original network run, but was aired in the UK and made its US debut in the 1990s.