Laff-a-Lympics
...that in the animated Laff-a-Lympics, non-competing Hanna-Barbera characters such as Fred Flintstone and Jabberjaw made appearances as guest announcers?
...that in the <a href="./Animation" id="mwAfY" rel="mw:WikiLink" title="Animation">animated</a> <i id="mwAfc"><b id="mwAfg"><a class="mw-redirect" href="./Laff-a-Lympics" id="mwAfk" rel="mw:WikiLink" title="Laff-a-Lympics">Laff-a-Lympics</a></b></i>, non-competing <a class="mw-redirect" href="./Hanna-Barbera_Productions" id="mwAfo" rel="mw:WikiLink" title="Hanna-Barbera Productions">Hanna-Barbera</a> <a class="mw-redirect" href="./Fictional_character" id="mwAfs" rel="mw:WikiLink" title="Fictional character">characters</a> such as <a href="./Fred_Flintstone" id="mwAfw" rel="mw:WikiLink" title="Fred Flintstone">Fred Flintstone</a> and <a href="./Jabberjaw" id="mwAf0" rel="mw:WikiLink" title="Jabberjaw">Jabberjaw</a> made appearances as guest <a href="./Announcer" id="mwAf4" rel="mw:WikiLink" title="Announcer">announcers</a>?