It seems like she barely had time to catch her breath that year:

http://news.google.com/newspapers?id=OiERAAAAIBAJ&sjid=MooDAAAAIBAJ&pg=4225,5367281&dq=vivian+vance&hl=en

http://news.google.com/newspapers?id=wLEVAAAAIBAJ&sjid=1w0EAAAAIBAJ&pg=7196,3558107&dq=the+lucy+show&hl=en

She was a true pro.