At the end of the second film, Scott is on the Jerry Springer Show again. Jerry says "We have a surprise or you." Frau comes out and reveals to Scott that he was her love child to Dr Evil. Scott says "But I thought I was a test tube baby." Frau answers "All lies. ALL LIES!" Scott says "I love you, Mom." Frau replies "I love you too, son."
Also Jerry's final thought to the audience is "No one can take your mojo."
Even the first time they're on Jerry Springer, the whole riot is started because the KKK guy insulted Scott, which set Dr. Evil off.
In the third film, Scott - who's getting more and more evil throughout the film - has a present for his father. The present being?
Dr. Evil: Are...those sharks with laser beams attached to their heads????