rock episode season american television comedy series 30_rock 57th overall episode series written executive producer directed series producer episode originally aired national_broadcasting_company nbc network united_states guest stars episode include episode jack_donaghy alec_baldwin begins search biological father help liz_lemon tina fey tracy_jordan tracy_morgan introduces supposedly illegitimate son washington cast crew fictitious tracy_jordan tgs question intentions time jenna_maroney jane_krakowski liz fight attention jenna gets public recognition comedic sketch liz wrote received generally positive reception television critics according nielsen_media_research episode watched million households original broadcast received primetime emmy award nominations comedy series comedy series respectively episode plot jack_donaghy alec_baldwin decides search biological father revealed previous episode man believed father liz_lemon tina fey convinces find real father jack contacts private investigator search biological father gives envelope containing names individuals father jack tells liz envelope suggests bring men new_york false jack agrees jack meets men fred professor meeting men jack comes realization father korean fred lost grenade explosion world war tells son admitted sleeping mother time jack conceived happy son reveals jack need kidney tracy_jordan tracy_morgan introduces illegitimate son tgs tracy_jordan staff liz suspect tracy believe years old claims liz assistant birth certificate gives liz pete learn years age confirming suspicions liz tells tracy tracy knew explaining decided putting money good community time liz jealous friend tgs star jenna_maroney jane_krakowski takes credit deal breaker ladies resulting liz getting recognition wrote sketch result jenna named new_york time magazine seeing liz feels jenna decides share magazine cover photo shoot photographer wants jenna use props shoot jenna reluctant use liz decides pose props resulting cover time jenna displeasure production written executive producer making fourth writing credit secrets lies goodbye friend episode directed series producer twentieth series originally aired united_states nbc episode season 57th overall episode series character professor jack_donaghy biological father played guest actor best known role television series alec_baldwin worked having appeared biographical drama film aviator actor reprised role private investigator time having appeared collection natural order directed rock episode retreat forward aired january season news anchor countdown voice episode pete recalls hearing sports anchor saying line deal breaker ladies hockey game highlight filmed scene cut airing instead scene featured rock season dvd deleted scenes bonus feature scene nbc page kenneth_parcell jack_mcbrayer gives fred tour backstage area tgs fred tells kenneth resembles man served service kenneth says obviously coincidence normandy fred responds saying told kenneth served jack shows kenneth men tells kenneth like talk prompting kenneth tell jack head tour going deny request jack seen jack office cultural references episode numerous references musical jack tells liz possible fathers jack agreeing meet men liz saying promising musical dot dot dot fun dot dot dot good poster finally jack revealing liz tells jack find real father explaining learned family child doesn father starts jump mood level drop video game players create virtual people called places houses helps direct moods satisfy desires liz pete learn tracy favorite television cbs police drama series revolving special agents naval criminal investigative service conduct criminal investigations involving marine_corps later liz pete sing song takes hip hop duo tracy familiar song doubts age tracy claims reception according nielsen_media_research watched million households original american broadcast earned rating share demographic means seen percent year olds percent year olds watching television time broadcast increase previous episode natural order watched million american viewers received primetime emmy award nomination comedy series lost fellow rock writer episode reunion 61st primetime emmy awards awards received emmy nomination outstanding guest actor comedy series lost singer songwriter justin_timberlake hosting saturday night live ign contributor robert_canning complimented rock jack search father plot writing took rolled forward energy delivered funnier episodes past weeks canning said stories fun having critic jane_krakowski jenna canning said appearance effectively funny self conclusion canning gave rating television columnist alan_sepinwall star-ledger wrote funny episode boosted ingenious casting jack biological father praised 30_rock delivering episode observing good elements opined casting jack father inspired gave grade rating entertainment_weekly contributor complimentary episode appreciated guest appearances guide magazine said strong cited inside instant chemistry alec_baldwin infectious rendition takes liz pete aol squad hoped figure jenna character suggested love interest makes mature makes away jenna selfish aging diva routine gotten old moody said best tracy story showdown
Mamma Mia (30 Rock)