Something I noticed while binging Family Matters recently is how the producers must've set some kind of mandate that the studio audience had to almost always cheer for Steven Urkel's first appearance in an episode once the character was starting to become more popular.

The first clip is Steve walking into the Winslow household (not his first appearance in that particular episode, but I felt like it was a good one to start with), everything else are just clips of Steve (and sometimes Myrtle) walking on screen, to which the audience cheers. I ended the video with the last scene from the show, with Laura and Steve kissing as the audience applauds, I felt like that was a good way to close this video off.

00:00 - Season 1
00:22 - Season 2
02:09 - Season 3
05:20 - Season 4
08:32 - Season 5
11:26 - Season 6
13:46 - Season 7
16:30 - Season 8
18:50 - Season 9

Audience cheering for Steve Urkel's first appearance in episodes (Family Matters Compilation)