When does Mother, Juggs & Speed return?

Bill Cosby, Raquel Welch, Harvey Keitel and Larry Hagman star as ambulance drivers. F+B Ambulance Company is locked in an intense battle with Unity to win a city contract for providing ambulance service to a territory within Los Angeles. The entire company is a band of misfits, including the hypersexual John Murdoch (Larry Hagman), his partner Walker (Michael McManus), and putative medical student Bliss (Allan Warnick)