October the 31st
... that the 1984 Halloween episode of The Fall Guy, "October the 31st", guest starred Elvira, Mistress of the Dark , veteran horror movie actor John Carradine, and Keith, Robert and David Carradine?
... that the 1984 <a href="./Halloween" id="mwHTo" rel="mw:WikiLink" title="Halloween">Halloween</a> episode of <i id="mwHTs"><a href="./The_Fall_Guy" id="mwHTw" rel="mw:WikiLink" title="The Fall Guy">The Fall Guy</a></i>, "<b id="mwHT0"><a class="mw-redirect" href="./October_the_31st_(The_Fall_Guy_episode)" id="mwHT4" rel="mw:WikiLink" title="October the 31st (The Fall Guy episode)">October the 31st</a></b>", guest starred <a href="./Cassandra_Peterson" id="mwHT8" rel="mw:WikiLink" title="Cassandra Peterson">Elvira, Mistress of the Dark</a> <i id="mwHUA">(pictured)</i>, veteran horror movie actor <a href="./John_Carradine" id="mwHUE" rel="mw:WikiLink" title="John Carradine">John Carradine</a>, and <a href="./Keith_Carradine" id="mwHUI" rel="mw:WikiLink" title="Keith Carradine">Keith</a>, <a href="./Robert_Carradine" id="mwHUM" rel="mw:WikiLink" title="Robert Carradine">Robert</a> and <a href="./David_Carradine" id="mwHUQ" rel="mw:WikiLink" title="David Carradine">David Carradine</a>?