"When we could split the screen, it was like 'Wow!'"

In this quote, Sid Caesar is revealing his awe and excitement at the ability to split the screen. This could refer to the innovation of dividing a tv or computer system screen into multiple sections, allowing for several images or programs to be shown simultaneously. Caesar's usage of the word "wow" suggests a sense of marvel and awe at this capability. It is possible that he is assessing a time when this technology was not available, and the contrast between then and now is striking to him. In general, this quote communicates a sense of wonder and appreciation for the advancements in technology.