V (TV Series 1984–1985) – IMDb

Created by Kenneth Johnson. With Marc Singer, Faye Grant, Michael Ironside, Jane Badler. A year after Liberation Day, courtesy of the red-dust bacteria, the humanoid, lizard-like aliens develop a resistance to the micro-organism and try to regain control of the Earth–only now some humans are knowingly working with them.

https://www.imdb.com/title/tt0086822/