: Stewie eventually shrinks himself and a small spaceship to enter Peter's body to destroy his sperm cells.
The Family Guy episode you are referring to is Season 3, Episode 11, titled . It first aired on November 8, 2001. Episode Plot Summary Watch www xrysoi se Family Guy S03E11
: Inside Peter, Stewie encounters Bertram , a sperm cell who is just as diabolically clever as he is. They briefly bond over their shared desire to kill Lois before Stewie must escape through Peter's tear duct. : Stewie eventually shrinks himself and a small
