I have looked it up in the script, Lex is mentioned in Ilusions of Grandeur but he's not part of it:
Cat tells the others that she has a date with Arthur Chow, who is even richer than Lex (according to Jimmy), but he's not as handsome (according to Lois).
I am currently rewatching the series and the next episode would be Ilusions of Grandeur, tell me if I shall look for something specific :-)
Last edited by Kathryn84; 05/01/17 05:15 PM. Reason: Added something
