Between the second season episode Where There's Smoke where Greg tries to prove to his family that he is not smoking and the first season of the cosby show where theo is accused of smoking by his parents, does anybody see the similarities between both episodes of two diff'rent sitcoms ?

http://www.youtube.com/watch?v=vmqCrUHk_jM

http://www.youtube.com/watch?v=MIurIZQaOvI

http://www.youtube.com/watch?v=CVyezs67gdM

http://www.youtube.com/watch?v=bb13waZ0JdU

http://www.youtube.com/watch?v=HzmhUJCOQeI