“Quagmire's Daddy” was seen by 7.2 million viewers
The commentary for this episode from the Volume 9 set, says the name Ida was chosen for one joke.
Stewie was going to say ‘Ida chosen a better name’ but the joke was cut but the name stuck.
Joe (via text message): How gay is this guy?
Peter (via text message) So ducking gay.
(Joe looks at Peter
Peter: Oh, sorry, that's the auto spell corrector, but yeah. he's super gay.
When Stewie hangs up with Brian he puts the phone on the arm of the sofa, but after Lois tells Peter she thought he'd be out with Glen and Dan, the phone is missing.