Continuity mistake: Willona's ex-husband had 3 different names: Alvin, Ray, and Roger.
Springtime in the Ghetto - S1-E10
Continuity mistake: In one scene, the plaque Florida wins is on the wall before she actually wins it.
Continuity mistake: In this episode, the doctor says that JJ still has his tonsils; in "The Gang Pt 2", it is mentioned that JJ had his tonsils removed.
J.J.'s Fiancee: Part 2 - S3-E18
Continuity mistake: At the beginning of the show, JJ's girlfriend is wearing a shawl and the buttons are miss-buttoned by one button. In the next scene, the shawl is buttoned correctly.
A Stormy Relationship - S4-E19
Continuity mistake: 1/3 through the program, Michael is given his father's tool belt by his mom and he puts the strap on his shoulder. The next shot and for a few after, the strap is gone. Then it comes back again.
Answer: Could have very well been that he did have a speaking part, but ended up on the cutting room floor, and they just didn't fix the credits.
ckbyers