War of the Worlds - Season 2 - Eps 20: The Obelisk
Continuing Morthren losses force a maddened Malzor to take a drastic step: the release of a spore which will cause the death of every native organism on Earth.
About War of the Worlds

Title: War of the Worlds
First Air Date: 1988-10-07
Last Air Date: 1990-05-14
Status: Ended
Rating: 6.2/10 (from 29 votes)
Language: EN
Seasons: 3
Total Episodes: 44
Network: Syndication
Genres: Drama, Action & Adventure
Production Companies: Unknown
Synopsis
Humanity must resume its war against the Martians when they revive after decades of hibernation following their defeat in the 1950s. The fate of Earth may very well rest in the hands of a small yet courageous band: astrophysicist Harrison Blackwood, paraplegic computer wizard Norton Drake, microbiologist Suzanne McCullough and military man Paul Ironhorse.
Cast

Jared Martin
Harrison Blackwood

Adrian Paul
John Kincaid

Lynda Mason Green
Suzanne McCullough

Catherine Disher
Mana

Denis Forest
Malzor