eighteenth episode fourth season american television comedy series 30_rock overall episode series written producer directed originally aired national_broadcasting_company nbc network united_states april following shortly episode night guest stars episode include episode jack_donaghy alec_baldwin romantic problems attempting resolve dispute liz_lemon tina fey offended learns employees hang outside work invite episode rock closely mirrored feud television hosts jay_leno conan brien received generally mixed reviews television critics according nielsen ratings system episode watched million households original broadcast received rating share viewers demographic plot jack_donaghy alec_baldwin romantic problems involving choice host high school sweetheart attempting resolve dispute years ago signed contract shift informs jack ready start new time jack grants permission calls meeting informing shift happy jack decides problem begins scheduled shift unhappy trash pick collected complains jack resulting jack returning leaving nbc work liz_lemon tina fey distraught learn writing staff hang work invite tells jack boss jack explains best distance later liz assistant announces wedding liz jenna_maroney jane_krakowski need plan party liz decides party apartment prove employees invited fun party staff members want leave having good time liz gets upset calls inviting hang demands apologize time tracy_jordan tracy_morgan torn commitments pregnant wife desire party asks nbc page kenneth_parcell jack_mcbrayer assist needs kenneth deal tells tracy needs instead tracy realizes needs changes mind goes strip club returning home order stay tracy decides wear dog shock collar tracy sends kenneth place liz party unbeknownst kenneth tracy dog followed party kenneth bursts liz home tracy dog right resulting staff hiding dog attacks turn liz rid dog refuses eventually agrees help tell mother figure wants drinking mom liz finds comfort dog staff exits apartment unharmed production written rock producer directed long time television director worked series creator tina_fey sketch comedy saturday night live episode second writing credit having written winter madness episode aired january eleventh directed episode originally aired united_states april nbc eighteenth episode fourth season overall episode series main plot battling late night shift closely mirrored feud television hosts jay_leno conan brien hosting job tonight similar feud rock episode signed contract years ago asked jack_donaghy happen jack september announced nbc network jay_leno succeeded host tonight years later host final episode tonight similarly jack informs shift thrilled resulting jack moving shift brien took host tonight june nbc afraid losing network gave new nightly prime time series jay premiered september begins shift unhappy trash pick collected result goes shift leaves nbc continue duties jay_leno debuted good ratings continued garner low ratings resulting nbc proposing air tonight moved brien rejected timeslot january brien reached deal network leave tonight january months later returned host tonight march april brien signed deal cable network host new late night talk executive producer rock produce late night conan brien brien mentor michaels told hollywood reporter march brien prevail departure tonight addition brien appeared rock season episode tracy conan broadcast december despite appearing episode reference jack love triangle storyline played actresses respectively plot introduced previous episode jack characters love dilemma continue season moore announced love interest alec_baldwin television character november banks guest spot love interest jack character confirmed december rock executive producer showrunner asked interview staff writers fictitious tracy_jordan tgs going seen upcoming season replied great things blessing curse characters different interactions characters work yeah absolutely love guys episode liz_lemon head writer tgs discovers frank pete invite hang consider mother figure cultural references jack tells april honors united_states president richard_nixon death getting drunk making unpopular decisions demands start working shift signed contract jack april says wedding learning fiancé rescued fictional group united states army special forces work soldiers fortune run military pirates tells jack want leave nbc attend collecting classic car cardboard classic cardboard satirical reference jay_leno collects classic cars later jack gives original time shift says great job lined fox woods casino following departure nbc reports circulated fox network wanted hire conan brien party jenna sings 1840s song corn reception original american broadcast watched million households according nielsen ratings system achieved rating share key year old demographic means seen percent year olds percent year olds watching television time broadcast increase previous episode aired day week watched million american viewers episode received generally mixed critical reception found episode enjoyable explained learned tackle jay_leno conan brien situation felt surge excitement optimism thought writers come smart new angle attack airing noted plot hampered episode enjoyed tracy actions episode commenting provided showcase great tracy_morgan non emily found weaker episodes believed late night jokes felt tired television columnist alan_sepinwall star-ledger disliked episode result noted remove rock rotation shows detailed reviews new_york magazine wrote reference brien months ago cutting edge satire remarked writing sharp added reason episode didn ring nearly sharp funny think lot potential paste magazine deemed episode disappointing proclaimed entertaining observed nbc public troubles rock greatest blessing season providing fodder jay acquisition best sitcom definitely best work nbc criticism regards main plot said premise enacted gets lot credit inspired idea ign contributor robert_canning gave episode rating writing plot came perfect time regards brien controversy like plots noting impressive los_angeles_times said plot clever self decidedly neutral albeit funny
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