Skardus
Skardus is a fictional planet featured in the science fiction television series Star Trek: The Animated Series. It appears in the episode "The Time Trap." Skardus is depicted as a barren, desolate world with a harsh, rocky surface and a thin atmosphere. The planet's environment is generally inhospitable to most known life forms.
During the events of "The Time Trap," the USS Enterprise encounters a temporal anomaly surrounding Skardus.