Christopher McDonald

Tony finds art imitating life at the 'Cleaver' premiere; in prison, Johnny Sack copes with more bad news.

The course of history is altered when a time rift brings a Starship Enterprise from the past into the present with a crew that includes Tasha Yar.

Jill doesn't want Stu Cutler, Tim's old college friend, in the house. So Tim tries to keep him away but when he gives in and Stu comes to the house, he insults Tim and Jill and belches with the boys.

Benson and Barba ask witnesses to risk their jobs after a news anchor makes an on-air accusation of rape against her boss.

Gus' boss demands that he stop moonlighting at the agency; Shawn must find a way to keep his partner, solve a haunting case, and play referee to Henry and his recently returned mother.

During an evacuation, a scientist sends escapees into deep space for an experiment.