Complex sentence: Zero also appears in the May 11,1949 Toast of the Town broadcast hosted by Ed Sullivan, doing a hilarious and crazy routine that only he could do, as also available on video from the original kinescope recording which survives of this show.
Split into simpler sentences: Zero also appears in the May 11,1949 Toast of the Town broadcast hosted by Ed Sullivan, doing a hilarious and crazy routine as only he could. This is also available on video from the original kinescope recording which survived from this show.