[s3e20] Imposter May 2026

" Imposter " is the 20th episode of the third season of the military legal drama , which first aired on April 21, 1998. It is widely remembered for its high-stakes plot involving a literal imposter attempting to commit an assassination in a courtroom under the guise of the series protagonist. Plot Summary

While Harm is trapped, "Imposter Harm" arrives at the courtroom to prosecute the case alongside Mac (Sarah MacKenzie). Mac is initially confused by Harm's late arrival and strange behavior but continues the trial. [S3E20] Imposter

Harm's partner who has to handle the trial while suspicious of "Harm's" behavior. Bud Roberts " Imposter " is the 20th episode of

Palmer leaves the real Harm bound to a chair in his apartment, which he has booby-trapped with a motion sensor bomb. The bomb is set to detonate if Harm moves or after eight hours. Mac is initially confused by Harm's late arrival

Played both the real Harm and the imposter (Palmer in disguise). Clark Palmer

The episode is noted for its "Mission: Impossible" style face-masking technology, which was a popular trope in late 90s action media.