He initially served as a humorous foil and sounding board for Michael Vaughn in the first season, but with the integration of the former members of SD-6 and the CIA, he gives advice to many of the other characters, including Sydney and Marshall Flinkman.

Marshall quickly accessed the website for the dubious "Internet Church of Mammals" and obtained for Weiss the post of "Exalted Minister", which allowed him to officiate at the impromptu wedding.

Weiss has played ice hockey in goal against Vaughn but really seems to like bowling (4.05 Liberty Village) because of the cheesy disco music, glow in the dark pins and all you can eat hot dogs after ten.

They were just good friends, Weiss gave Sydney a third edition Alice in Wonderland to try to make up for the loss of all her stuff in her apartment fire at the end of the second season.

when he used his high ranking position to extract a team of APO agents who had infiltrated CIA headquarters in Langley, Virginia.