Frederick de Cordova, Teresa Ganzel, Tommy Newsom, Rich Little, Joan Embrey, Tim Wade, Joyce Brothers and Eugene Greytak (as Pope John Paul II) also appear.

Note: The plot device of Kate being pregnant was written to accommodate Anne Schedeen's real-life pregnancy.

ALF mistakenly believes his cousin Blinky is living in Barstow, getting himself captured by a deranged freak show owner.

After a verbose houseguest of Willie's reveals he is in the Witness Protection Program, ALF is convinced gangsters are stalking the Tanners.

ALF believes that a reclusive new neighbor is Elvis Presley, and is further convinced when the man displays Elvis-like tendencies.

To prepare Brian for his Boy Scout trip, ALF and Jake camp out to overcome his fear of the outdoors at night.

ALF re-enacts scenes from The Dick Van Dyke Show, as Kate prepares to give birth.