S4, E17: Trapped in a rift in space, the crew of the Enterprise is plagued by unexplained hallucinations and increasing panic that threaten to destroy them.

Starring Whoopi Goldberg, Colm Meaney, Rosalind Chao
S4, E17: Trapped in a rift in space, the crew of the Enterprise is plagued by unexplained hallucinations and increasing panic that threaten to destroy them.