There isn't another appearance of the bald man until The Hostile Hospital.

Her name has a cameo appearance in The Hostile Hospital as an anagram, "Lisa N. Lootnday", on a list of patients.

In The Hostile Hospital, she makes an intercom system, using an empty soup can with a hole.

In The Hostile Hospital, Count Olaf disguises her as a patient so that he can conduct a fake operation and cut her head off.

The Hostile Hospital (2001)

She leads them to an Indian restaurant in the hotel, run by Hal from The Hostile Hospital.

The Hostile Hospital is the eighth novel in A Series of Unfortunate Events.

Even though his need for disguises was minimal, he does so one last time in the Hostile Hospital to gain entry into the area.

On the last picture, there is a newspaper with the words Last Chance on it, foreshadowing The Hostile Hospital.

The bald man makes his third appearance in The Hostile Hospital (2001).