Top Five in no Order
Star Trek Franchise
Babylon 5
Battlestar Galactica (Remake Series).
Dr. Who.
X-Files.
Honorable Mentions Red Dwarf, Fringe, Orville, Farscape, Eureka, Sliders, Firefly, Original Battlestar, Buck Rogers in the 25th Century, Warehouse 13, & Stargate SG-1/Stargate Atlantis