Jonathan marks the release of his new book but must process some alarming family news before trailing a mysterious woman on another case. Meanwhile, George is reunited with his daughter at his restaurant, where he meets her new boyfriend; and Ray spends a day with his biological son.

On the run from the police, Jonathan and Ray turn to Howard for help with trying to find out who framed Jonathan for cuddle, while George runs interference for them in his own inimitable, marijuana-induced way.

Already nervous about his appearance on "The New Dick Cavett Show," Jonathan is thrown for a loop when another scheduled guest happens to be his nemesis, Louis Greene. Meanwhile, Ray's attentiveness as a father is tested; and George is floored by Emily and Bernard's latest news.

George urges Jonathan to show Emily what it\'s like to be out with a younger man, but they wind up on a stakeout with a wannabe gumshoe impersonating Jonathan.

Jonathan and George see a \"friendship\" counselor. George begins taking singing lessons from Josephine, a delightful pothead. Jonathan attempts to win back George\'s affection. Ray becomes irresistible to women.

Jonathan is hired by a college girlfriend and her father to protect an expensive necklace, and as usual George and Ray agree to help.

An attractive woman who saw Jonathan on the Dick Cavett show is also looking for her father and teams up with him to investigate a lead. Both George and Ray are desperate to make up with the ladies in their life and go to extremes.

In the series finale, George celebrates Emily and Bernard's wedding; and Ray is comforted by his son, Spencer. Meanwhile, Jonathan considers breaking up with his new girlfriend, but when he's kidnapped, an army of Super Ray fans spring into action.