'Jackie Gleason' had broken his leg near the end of last week's (30 Jan 1954) program when, during an exit, he slipped on some chemicals which he been used in a sketch to promote steam. On this program, he appeared for three minutes seated in a wheelchair explaining to guest host Ed Sullivan (and the audience) what had gone wrong and caused his broken leg.
Jackie Gleason was not in this episode. He was recovering from a fractured ankle. Ed Sullivan guest hosts.