I just clipped some images of a Toyota Corolla station wagon crashing through the school set after Sam's mother had laser eye surgery in an episode of iCarly. This is in Episode 2.18, "iMust Have Locker #239.

http://www.imcdb.org/movie_972534-iCarly.html
http://us.imdb.com/title/tt1447478/
http://img5.imageshack.us/gal.php?g=icarlytoyotacorollawago.jpg


Also, MovieFreak added images from episode 2.10, "iMeet Fred."
http://us.imdb.com/title/tt1372679/

There may've been others, but I'll track them down later.