Episode 22 of "Sliders"
s02e12 Invasion
Title: Invasion
Original Air Date: 06/28/1996 on Fox
Director: Richard Compton
Writer: Tracy Torme
Guest Stars: Jason Gaffney (Prisoner (Connrad Bennish Jr.)), Gerry South (Kromagg), Robert Lewis (Mr. Clarke), Lee Weaver (Hilton Brown), Pierre Martineau (French Bread Man), Francois Najda (French Waiter)
Plot Outline:
The Sliders land in the middle of a strange invasion and Quinn uses the timer to bring down one of the ships. Before barely escaping, the Sliders learn these new villains can slide at will and are soon captured on the next world. They learn their captors are the Kromaggs and are intent on conquering every parallel world.