"That was a surprise. I just had wished that Wil Wheaton was there. He was missing from the last show and it would have been nice if everyone could have been there"

Denise Crosby is sharing her dissatisfaction that Wil Wheaton was not present at the last show. She had wished that he was there, as it would have been nice if everyone might have existed. This suggests that the program was a special event, and that Wil Wheaton's absence was unforeseen and also unwanted. It is likely that Denise Crosby and also Wil Wheaton have a close connection, and that she was anticipating seeing him at the program. Her remark suggests that she was surprised as well as disappointed that he was not there, which it would have been a much better experience if he had existed.