Mike breaks tradition and invites Molly to join him and Carl at opening day for the Chicago Cubs.
Buddy undergoes surgery for his hernia; in his absence, he had Mauro take over making the cakes. Mauro's first assignment -- making a second anniversary cake for a gay couple, who previously had their wedding cake made by Buddy (in the first season episode "Weddings, Water and Wacked!"). Also, Buddy was made Grand Marshal of Hoboken's St. Patrick's Day parade; however, Joey was jealous, as Buddy is not Irish.
Ricky finds out that his mother is dating a woman, Ashley's homeschooling isn't going very well, and Ben asks Ruben and Cindy a question.
While Larry intrudes on Connie's dates with Officer Barrett in an attempt to get out of a traffic ticket, Kate fears for her job when she accidentally loses her boss's dog.
When a normal quinceaƱera erupts in violence, leaving multiple people dead, the detectives work quickly to follow a lead. During their search for answers, they find a young boy protecting acres of marijuana and discover he is the only witness that can help the case. As the detectives begin to close in on a suspect, Winters receives a surprise visit at home. Meanwhile, DDA Morales (Alfred Molina) must risk upsetting the Mexican government by prosecuting the guilty, which results in a shocking decision.
Host Alton Brown uses a scientific secret formula in an attempt to devise the definitive bread pudding.
Don Alvin's quiet life is destroyed when an intruder ambushes he and his family in their home, killing his wife and son. After searching for clues, the detectives discover similar cases that lead them to one powerful common thread. Meanwhile, DDA's Dekker and Rubirosa have to tread carefully in order to get a guilty verdict after Morales' puts their case in jeopardy.
Yeast dough treats include pecan sticky buns and pull-apart monkey bread.
On a mission to save soldiers of the Hot Dog Princess, Finn and Jake go inside a massive maze where wishes can be granted and where Jake's stretching powers are pushed to their limits.
Kevin's younger sister Tunie visits after a breakup with her boyfriend; Lenny prepares a surprise romantic picnic for Zoey; two street vendors are brought in after a turf war turns violent; Akalitus fights Catholic bureaucrats over the hospital's chapel.
During a heatwave, Wysocki and Evers investigate a homicide where the son actually saw his father's murder. In the meantime, Colvin gets a new driver. And Gibbons reaches out to Liam to help him with his constituents.
With the help of his old nemesis Alexei Volkoff, Chuck and the team hunt down a deadly weapon, The Norseman. In a pre-wedding surprise, Sarah springs a pre-nup on Chuck.
An alien creature attacks an exploration team from Destiny, taking two crew members captive.
The Pawn Stars take evasive action when a Cold War era heat-seeking missile guidance system locks onto the shop. Will the guys engage and try to blast this deal out of the sky or is this former military secret still too hot to handle? Then, Corey and Chumlee check out a 1986 Buick Regal. Customized from top to bottom, can Corey shift into gear and hit cruise control or will a bumpy negotiation make this low rider hit rock bottom? And later, a man hops into the shop looking to sell an original 1960's Playboy Bunny uniform. Will Rick jump up his offer to buy this iconic costume or has the price for this sexy rabbit become over inflated?
While hiking in a remote area of the jungle to see the famed petroglyphs, McGarrett and Danny instead find a homicide victim. Meanwhile, their aunt's failing health leads Kono and Chin Ho to visit home, where Kono finally learns the truth about the scandal that ended her cousin's career with the Honolulu Police Department.
Nora finds out the truth about Josh; Sally misses her "door", but gains new powers; Aidan has a final showdown with Bishop, with surprising results. We also see how Aidan and Josh first met.
Thirteen has been in prison for the past year, but the real mystery for House is what she did to get there. At the hospital, the team treats a science teacher suffering from severe respiratory illness. Taub tries to get back into the dating scene, but winds up retreating to his old habits.