The Real Ghostbusters (1986)

S03E11 Big Trouble With Little Slimer

Walter J. Peck, the Ghostbusters' notorious adversary and former EPA enforcer, resurfaces following the Gozer incident, eager to stir up chaos for the team once more. His initial scheme involves a fake ghost sighting at a military facility in Queens, aiming to get the Ghostbusters arrested for trespassing. When that plan fails, Peck teams up with BUFO (Bureau of Unidentified Flying Organisms) and obtains a court order to capture Slimer. After conducting experiments, he labels Slimer a dangerous entity and intends to eliminate him using a cyclotron, prompting the Ghostbusters to intervene and rescue their beloved ghost.