In this episode Bob (Saverio Guerra) listens to a series of self-improvement tapes by a man named Ted Talbot. The joke here is the name Talbot; which actually means 'messenger of destruction'.
Chico, CA, is actually a city of over half a million population, home of a branch of CSU, and the largest city in California north of Sacramento.
When Margret asks about Chico, California being near Groucho Nevada these are the names of two of the three Marx brothers.
The other one being Harpo Marx.
The other one being Harpo Marx.