Triumph gets Jack to invest in a new business venture when he hears about a type of coffee bean that is passed through cats.
Triumph returns home and convinces Jack to attend an autograph convention in the series premiere of this comedy.
Sue is in a panic, she's less than two years away from graduation and she needs to figure out how to earn a scholarship for college. Frankie forgot to send out any of the patient appointment cards and business has fallen off for Dr. Goodwin. When Mike misreads a situation and reprimands a girl for picking on Brick, Brick demands an apology. Axl and Hutch raid the Heck kitchen in their attempt to bulk up and keep a position on the football team for the coming year.moreless
Sue's determined to out prank Axl when she finds out that it was Axl's prank a year ago that forced her to wear the chicken head when she was school mascot. Dr. Goodwin attempts to make Frankie his friend. Frankie decides that if Mike can't make friends with her new dog, she'll look for the dog's owner. Upon a recommendation, Brick tries to get interested in a biography on Debbie Reynolds.moreless
To help him reunite with Lord Hater, Wander and Sylvia pretend to be the prisoners of a tiny Watchdog named Westley.
It's another hectic Thanksgiving for the Heck family. Axl needs to tell Frankie and Mike he's dropped all but one college course, Tag fesses up to Mike that he gambled away the money he was supposed to use for his and Pat's cruise, Sue's got a shopping secret and, to top it all off, Dr. Goodwin and Uncle Rusty's wife and kids show up unannounced. In the midst of it all, Brick is determined to have lime green jello for Thanksgiving dinner.moreless
Due to a series of unfortunate, coinciding events, the military base is presumed to be under attack by terrorists, resulting in the US military arranging a counter-attack. During the incident several of doctors discover new things about themselves.moreless
When Vanessa learns that her father has inherited a Drusselsteinian castle right next door, she seizes the opportunity to throw the biggest Halloween bash ever. The whole town is there, including Phineas and Ferb, who act as the event's party planners and DJs. Meanwhile, Doofenshmirtz enlists Perry to help him find a large, hidden treasure that his great aunt has placed somewhere within the castle.moreless
Spider-Man, Iron Man, Thor and Hulk stand powerless after being struck by Dr. Doofenshmirtz's power-draining "inator." Once the Marvel Super Villains - Red Skull, Whiplash, Venom and M.O.D.O.K. - find out that Dr. Doofenshmirtz is responsible for robbing the superheroes of their powers, they seek him out and together create mayhem in Danville. Meanwhile, Phineas and Ferb do everything they can to restore the superheros' powers before the evil villains take over the world.moreless
Before starting her new dental assisting job, Frankie makes a quick stop to pay a late power bill. When her uniform white lab coat has the other customers thinking she's a doctor, they let her cut in line. But when a client shows up who was at the power company, Frankie struggles to prolong the ruse, leaving Dr. Goodwin confused. Axl's out to ruin Sue's perfect school attendance by convincing her to ditch school for one day. Dr. Fulton attempts to find the reason behind Brick's opposition to transitioning to middle school. Mike and Axl's fishing trip is ruined when the boat becomes wedged into a ditch.
While Tina and Louise attend a concert, Linda and Bob accompany Gene as he competes in a table-scaping competition.
Frankie graduates from dental assisting school but has trouble getting through a job interview. Axl's band gets their first paying gig but Sue, as Darrin's girlfriend, starts giving unwanted advice. Brick joins the Prairie Scouts which, in turn, lands Mike the job of leading the troop's camping trip.moreless
The boys create Rutabaga-themed vehicles when Candace is chosen to be Rutabaga princess and gets to start the "Running of the Chinchillas." Across town, Doofenshmirtz plans to turn himself into a real live Kinderlumper to scare Roger into relinquishing control of the Tri-State Area over to him.moreless
Candace challenges Buford to keep Phineas and Ferb's invention from disappearing so that she can sweep in and casually bust her brothers. Across town, Doofenshmirtz has had one too many lattes and is experiencing an extra burst of evil energy.moreless
Phineas and Ferb plan their own New Year's Eve ball drop, complete with a customized multidimensional ball, while Candace makes it her resolution to refrain from busting her brothers before the clock hits midnight. Meanwhile, Doofenshmirtz uses a Resolution-Changer-Inator in his tie as he continues the never-ending attempts to take over the Tri-State Area.moreless
Jack tries to avoid his mother. Meanwhile, Jenna starts to envy Liz and her married life.
Liz tries to get Criss to want a family once she runs into Dennis.