&amp;lt;strong&amp;gt;The Beatles performed on Johnny Carson&amp;#39;s &amp;quot;Tonight Show.&amp;quot; &amp;lt;/strong&amp;gt;Lennon and McCartney &amp;lt;a href=&amp;quot;http://www.beatlesinterviews.org/db1968.05ts.beatles.html&amp;quot; target=&amp;quot;_blank&amp;quot;&amp;gt;did visit &amp;quot;Tonight&amp;quot; on May 14, 1968&amp;lt;/a&amp;gt;, but they didn&amp;#39;t perform -- and the guest host for the evening was Joe Garagiola. Ed McMahon was around, though.