In the episode Double Vision, the police dog used to track Johnny down is Snuffles, a character who first appeared on the classic Hanna-Barbera cartoon Quick Draw McGraw, back in 1959.
In the episode Gray Matters, Suzy is mentioning names of different hair-dyes. Two of them are called "Hulk Hogan Blond" and "Stone Cold Gray". These are references to two ex-WWE wrestlers, Hollywood Hulk Hogan, and Stone Cold Steve Austin.
S 4 : Ep 13
Aired 8/27/04
S 4 : Ep 12
Aired 8/20/04
S 4 : Ep 11
Aired 8/6/04
S 4 : Ep 10
Aired 7/30/04
User Score: 1239
User Score: 943
User Score: 328
User Score: 208
User Score: 69
User Score: 36
User Score: 31
User Score: 24
User Score: 20
User Score: 20