theres either 3 or four because i watch life with derek every night but not saturdays and Sundays and last night it was the graduation epsidoe and she says to derek or someone its been a good three...
yes they will have plenty
A lot mabe around 40
You probably can't find them for free to download. Try here http://www.free-tv-video-online.info/internet/life_with_derek/
actually there about 68 episodes