Viv regrets letting Lucy talk her into joining her for a night-school chemistry class. Lucy gets carried away trying to invent a youth serum and develops a huge ego between explosions. To teach her a lesson, Viv and the professor make her drink her own concoction, which acts as a sedative. When she awakens, she's horrified by the results of her youth formula. Written by
Did You Know?
Sherman and Jerry argue about whether rocket fuel is measured by gallons or tons, with Jerry saying that since that fuel is a liquid it's measured in gallons. However, in this case it's measured in tons, as the quantity is quite large and the weight of the fuel is a critical factor, not the volume of the tank. See more
When Lucy is about to do her experiment she asks Vivian to give her some glass tubing. Vivian partially flubs her line by saying there is no "gas" tubing. See more