18. Quagmire's Dad -

: Fans often point out a continuity error where Quagmire (born in 1948) is roughly the same age as Ida, making the timeline of her fathering him physically impossible based on show lore.

: Quagmire struggles deeply to accept his father's new identity. Meanwhile, in a notorious subplot, Brian unwittingly has sex with Ida before discovering her previous identity as Quagmire's father. Key Character Details 18. Quagmire's Dad

is the 18th episode of Family Guy's eighth season, which first aired on May 9, 2010. Episode Plot Summary : Fans often point out a continuity error

: Glenn Quagmire’s father, Lieutenant Commander Dan Quagmire , a highly decorated Navy war hero, comes to Quahog for a visit. Key Character Details is the 18th episode of

: Following a successful surgery, Dan transitions into Ida Davis , an attractive blonde woman.

: After Quagmire’s friends initially suspect Dan might be gay, Dan reveals he is actually "a woman trapped in a man's body" and plans to undergo gender reassignment surgery.