text: peter 's two dads " peter 's two dads " is the tenth episode of the fifth season of family guy . the episode originally aired on fox on february 11 , 2007 . the plot follows peter traveling to ireland to find his biological father , after he accidentally kills his stepfather at his daughter 's birthday party . meanwhile , stewie undergoes a phase of selfishness , believing everything belongs to him . this results in lois spanking him , which makes him realize he is a masochist . also , meg turns 17 in the episode . the episode was written by danny smith and directed by cyndi tang , with greg lovell as co - director . it received mostly positive reviews from critics for its storyline and many cultural references . according to nielsen ratings , it was viewed in 7 . 97 million homes in its original airing . the episode featured guest performances by dan conroy , phyllis diller , charles durning and fred tatasciore . it was nominated for a primetime emmy award for outstanding original music and lyrics , for the episode 's song entitled " drunken irish dad " , at the 59th primetime creative arts emmy awards . plot meg asks lois and peter if she can have a birthday party , preferably a teenager - type party with a band playing at her house . unfortunately , peter and lois don 't even know how old meg is going to be . they have bought sixteen candles , but meg overreacts when telling them that she is turning seventeen years old , and calls them jerks . meg notices that her birthday party is kiddie - type , with games such as pin the tail on the donkey . at the party , peter dresses up as " pee pants the inebriated hobo clown " , " an adorable tramp who wears found clothing and eats out of your garbage can " . peter then tells meg that he got her a scarf for her birthday . meg declines , while peter then says he got her " a dozen scarves " which peter then proceeds to regurgitate as one long scarf , as he has actually tied and swallowed them ( which lois says he was not supposed to do ) . this causes him to cough and vomit . peter hands meg the long scarf from his tongue , but meg refuses to hold it . peter then urges meg to hold them , and then asks if his long johns are tied to the end of them . when meg says they are not , peter then says " oh , god " and regurgitates them as well , and then crouches in pain following the ordeal . meg asks lois if she can open her gifts , and meg notices stewie opening most of them . peter gets drunk , and attempts to ride a unicycle down the steps , but falls off and crushes his father , francis , who later dies in the hospital from the accident . just before francis dies , he calls peter " a fat stinking drunk " . peter is disappointed since francis did not care about him – so he gives up drinking and does crack instead . brian notices this , and tells peter that crack is not a good substitute for drinking . as a result , peter sees a hypnotherapist , who helps him discover that francis was not his biological father . when peter goes to his mom , thelma griffin , about it , she reveals that she had an affair with irish man named mickey and that mickey is peter 's biological father . brian and peter travel to a village in ireland to find mickey , who they discover is the town drunk . at first horrified , peter finds out it is considered an honorable position in ireland by the locals . mickey refuses to believe that peter is his son and mocks him . when peter sees the ghosts of yoda , obi - wan kenobi , francis and hayden christensen , the first three call him a " fat stinking drunk " , francis ' last words to peter , which gives him an idea . in an attempt to persuade him , peter challenges mickey to a drinking contest , which peter wins . during the contest , peter and mickey talk about american looks and diet in a drunk language . after the contest mickey finally believes that peter is his son , feeling that nobody but a member of his own family could beat him in something like a drinking contest . although peter 's excited to have formed a bond with his real father , brian points out that while francis may not have been peter 's real father ( and obviously wasn 't the nicest person ever ) , he did raise peter like he was his own son , showing that deep down , francis really did love peter . after mickey says " so what ? " to peter 's statement , " you knocked up my mom and never called her again . " peter says " so what ? so let 's dance ! " . peter , mickey and the irish crowd enter dancing and singing to " drunken irish dad . " during the last few seconds of the dance , mickey states that the irish do not tan well . subplot lois spanks stewie while going through his " it 's mine " phase , claiming everything in the house as his own . at first he is traumatized by the ordeal , but he soon comes to realize that he likes the adrenaline rush that he gets from them , and starts deliberately misbehaving in the hope that lois will hurt him again , but fails yet realizing he has a problem . production this episode marks the third appearance of francis griffin . as of now , episode writer and series co - executive producer danny smith has written all family guy episodes to date to feature francis when he was alive . show creator seth macfarlane comments that the episode came together and played great from start to finish . prior to the making of the episode , there had been several different ideas and disagreements for peter 's father 's appearance . macfarlane comments that he had always pictured peter 's father to be a fat , drunk leprechaun . the negativity of francis was becoming " dull to write for " , hence the storyline of peter finding his biological father . macfarlane also mentions not having ideas to write for kevin , joe swanson 's son , who was mentioned in a later episode that he died in the war of iraq ( stew - roids ) . a deleted scene showed peter pretending to quit drinking , but continuing quietly was one of several scenes that was removed from airing as it and the others were described by the producers to be " not going anywhere . " the scene with peter in the hypnotherapist 's office was censored from television , as peter discusses his genitals and reproductive organs . when peter comes to the realization that francis is not his real father and when stewie dreams about being tortured by lois , a harp sound can be heard ; macfarlane comments that even small things like that take a lot of work to produce . the alcohol bottles being pushed by the airplane that peter and brian are traveling on were animated by computer , as is the taxi driving along the street . on the dvd commentary , macfarlane notes that the scene would not have looked good without computer aid . he said it makes the animations seem more realistic than without a computer . the two men circling each other for fifty years and waiting for the other to throw the first punch was not broadcast for television . in addition to the regular cast , actor dan conroy , actress phyllis diller , actor charles durning , and voice actor fred tatasciore guest starred in the episode . recurring guest voice actors alex breckenridge , chris cox , writer danny smith , writer alec sulkin and writer john viener made minor appearances . cultural references stewie draws a picture of david tua on the wall to try to get lois to hit him . it also mocks the main character 's decisions in pet when peter buried francis ' body at the same cemetery to resurrect him , but decided against it after francis , as a zombie , jumped out of the grave in a jump scare , remarking " okay , maybe i 'll bury him in a regular cemetery . " peter briefly transforms into wonder woman after discovering his biological father is not francis : this is a reference to wonder woman , and although the show could not receive rights to reproduce the original music , the scene was still broadcast . before peter and brian leave to ireland , meg tells peter she loves him , in which he replies , " that 'll do pig , that 'll do " , which is a reference to the film babe . when francis showed up as a ghost along with yoda and obi - wan kenobi , hayden christensen said " and i 'm hayden christensen " , as a reference to the ending of return of the jedi in the remastered dvd . the song chris and herbert sing at the party and up in a tree is " friends and lovers " by gloria loring and carl anderson . reception in a significant decrease from the previous week , the episode was viewed in 7 . 97 million homes in its original airing , according to nielsen ratings . the episode also acquired a 2 . 8 rating in the 18 – 49 demographic , being slightly edged out by the simpsons , while still winning over american dad ! . a reviewer from commented that " when i checked the schedule and saw the title of this episode was ' peter 's two dads ' , i was a little torn . first , the peter - centric episodes generally have a much higher chance of going off the rails , " following on to comment that " the episode that we did see still left me with something of a mixed reaction . " concluding with a positive comment that the episode " was well constructed . " ign 's ahsan haque noted that " despite a couple of underdeveloped plotlines and an overabundance of offensive and uncomfortable jokes , this week 's episode of family guy somehow manages to succeed with just enough truly hilarious moments and actual story elements . " macfarlane has said that this is one of his favorite episodes , alongside " ptv " and " road to rhode island . "