When he shows the ice cubes to Bert , he finds out that they have melted into water .
For example , in one sketch , Ernie tells Bert he started to collect ice cubes the day before , and put them under the electric blanket overnight .
When Bert shows the ice cubes to Bert , Bert finds out that ice cubes have melted into water .
For example , in one sketch , Ernie tells Bert he started to collect ice cubes the day before , and put them under the electric blanket overnight .