'30 Rock' on 3/15/12 *spoilers*

"ST. PATRICK'S DAY"

03/15/2012 (08:30PM - 09:00PM) (Thursday) : LIZ LEMON (TINA FEY) IS CURSED
ON ST. PATRICK'S DAY WHEN EX-BOYFRIEND DENNIS (GUEST STAR DEAN WINTERS)
SHOWS UP UNEXPECTEDLY, INTERRUPTING HER DAY WITH CRISS (GUEST STAR JAMES
MARSDEN). KRISTEN SCHAAL ALSO GUEST STARS.


Jack (Alec Baldwin) feels unworthy of his latest award and attempts to
redeem himself by taking on the writers in a strategic board game. Liz
(Fey) believes she's cursed on St. Patrick's Day when her ex-boyfriend
Dennis (guest star Winters) shows up to derail her relationship with Criss
(guest star James Marsden). Meanwhile, Hazel (guest star Kristen Schaal)
struggles to keep the peace between Tracy (Tracy Morgan) and Jenna (Jane
Krakowski).