The character Steve Urkel's first appearance came half way through the first season in the episode "Laura's First Date". Urkel was supposed to be a one-time appearance but was received so well by audiences that he made he became a series regular.
THE ANSWER IS ACTUALLY FALSE
Yes
"Farewell, My laura"
Season 8 Episode 16
Family Matters
Actually, there was no character named Carl who was a police officer on Family Matters. The character's name was Carl Winslow, and he was a police officer on the show. He was portrayed by actor Reginald VelJohnson.
Myra was last seen in the season 9 episode "Crazier For You (part 2)".
See Season 7 episode 24
There is no such episode seeing that there is no character on Family Guy named Louis.
Family Matters
Steve Urcle was a character in Family Matters, and he was the boyfriend of the character Laura.
The cast of Family Matters with Diane Franklin - 2013 includes: Diane Franklin as herself
The cast of Family Matters - 2011 includes: Arthur French as Uncle Pete Kisa Willis as Esther