Digging a well - S1.E9

The well runs dry. Boes starts digging with a mallet trying to strike water and finally reaches the centre of the Earth. Everytime he strikes, The Tokyo Tower sinks and the Pyramids shake. He finally manages to reach the navel of the Earth and tickles, making the Earth burst into laughter. The water at the end splashes and carries Boes as far as the Pacific Ocean...