- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
An intelligent, hybernating race known to both the Federation and the Sheliak Corporate. Jean-Luc Picard outmaneuvered the hyper-diplomatic Sheliak at their own game when he stipulated that the Grizzelas, with six months of their hybernation cycle still to go, be made the neutral arbitors in the Tau Cygni V evacuation dispute.