i can not understand why this show be cancel it be the great show on tv at the time . there have to be a good reason to cancel it . i remember watch this program when i be in military service in west germany . i do not like it when it be cut off . there have to be some one out there that would know . i have always like andy he can play any part they have . don knot would have be good in this show too . i guess this one be for the science type . and back then the science type be the call nerd . great show .