The series also stars Jason Dolley as PJ; Bradley Steven Perry as Gabe; and Leigh-Allyn Baker and Eric Allan Kramer as Amy and Bob Duncan, the children's parents.
On the other hand, Teddy's younger brother, Gabe Duncan, seems to be forgotten in the family, as he wasn't fed for breakfast, so he goes to his neighbor, Mrs. Dabney's house to look for food.
Guest stars: Raven Goodwin as Ivy, Micah Williams as Emmett, Shane Harper as Spencer, Lorna Scott as Mrs. Mellish When Teddy is supposed to be watching Gabe and Charlie, they make a huge mess in the kitchen.
Meanwhile, Gabe and his basketball team fire Bob as their coach and hire Amy instead, after winning their first game under her guidance, but soon realize their mistake due to her "brush it off" nature.
Guest stars: Hayley Holmes as Alice, Gregg Daniel as Mr. Billups, Nolan Gould as Zander, Mackenzie Hannigan as Jeremy, Najee Muhammad as Liam Charlie bites Spencer because she suspects something is going on with him.
Gabe abuses room service to get back at a bellhop who actually was his third-grade teacher; PJ meets two sisters who take care of him after going on the wrong snowboarding trail.
Guest stars: Shane Harper as Spencer, Steve Hytner as Marvin Starkwell, Jordan Nichols as Brandon, Chris Warren Jr. as Justin, Meagen Fay as Claire, Gabriel Tigerman as Will, Brittany Ross as Katie, Katelyn Pacitto as Sarah, Jordan Lund as Jeremiah Gabe has to pay off the room service and PJ owes some money to a kid named Walker, whom he met on the ski lift, so they enter an ice skating contest.
The episode ends with Teddy earning her license; she is happy because she has the freedom to drive wherever she wants, but to her dismay, the entire family makes her go out to run errands.
Furthermore, to complete their video game, PJ and Gabe run a cable from Mrs. Dabney's fuse box to power their room, eventually giving her house an electrical outage as well.
Guest stars: Micah Williams as Emmett, Shane Harper as Spencer, Samantha Boscarino as Skyler, Don McManus as Bruce, Mo Gaffney as Val, Kel Mitchell as M.C., Matthew Glen Johnson as Lucas Amy persuades the family to take part in a benefit for her hospital so she can beat her long-time arch-rival, Fran Culpepper.
Meanwhile, Bob takes Charlie to a ballet class and winds up participating and Gabe helps PJ prepare to tell Skyler's old boyfriend Brock (who happens to be captain of the wrestling team) to stop texting her.
Guest stars: Samantha Boscarino as Skyler, Phil Abrams as Mr. Piper, Valorie Hubbard as Miss Donna, Vernee Watson as Principal Hibbert, Derek Alvarado as Matt, Bridger Zadina as Brock Teddy and PJ pose as Gabe's parents as they attend a conference with his elderly teacher, Mrs. Monroe.
Guest stars: Raven Goodwin as Ivy, Reid Ewing as Derek, David Arnott as Mitch, Chris Wylde as Corporal Kwikki, Martin Spanjers as Justin, Joe Gieb as Joe Teddy, Amy and Charlie plan a trip to Chicago to visit their rich great-aunt Nell, where they are instead mistaken for the Duncan Sisters, a famous hip-hop dance duo and are taken to the dance studio of "Shake It Up, Chicago".
Amy pretends that she, Teddy and Charlie are sisters in order to accomplish her dreams of being on TV, but since they do not know how to dance, they enlist the help of dancers CeCe Jones and Rocky Blue.
Guest stars: Graham Patrick Martin as Dustin, Jared Kusnitz as Grant, Tucker Albrizzi as Jake, Patricia Forte as Lydia, Carla Jeffery as Jean, Brennan Murray as Richard While Teddy washes the dishes, Charlie puts a laptop inside the dishwasher.
Gabe then comes up with the idea to give Karen a fake lottery ticket, causing her to quit her own job and allowing Amy to replace her much higher position.
Meanwhile, Amy barges in on Gabe's love life; she overhears him talking about having a crush on a girl in his class named Heather and invites her over.
Guest stars: Booboo Stewart as Kai, Christopher Duva as Wallace, Alberto Isaac as Mano, Julie Brister as Rhonda, E.J.
Guest stars: Raven Goodwin as Ivy, Micah Stephen Williams as Emmett, Ellia English as Mary Lou, Sean O'Bryan as Mr. Hammerstone The fifth Duncan member is one week overdue and Amy is in a bad mood and constantly rude to the family.
Guest stars: Tucker Albrizzi as Jake, Cooper Barnes as Stu, Melissa Tang as Liza, Jill Alexander as Rachel, Jay Brian Winnick as Mustachio Pete, Matt Lusk as Paul Linda, Bob's mother, comes to visit to help with Toby, but she ends up driving Amy crazy.
Meanwhile, it is revealed that Teddy pretended to be sick in order not to go on the vacation and she and Ivy (with the help of fellow student, Victor) throw a house party while the rest of the family is gone.
Elsewhere, Gabe discovers that Bob is utterly afraid of carrying Toby up and down the staircase after he dropped Charlie years ago (in the first episode, "Study Date").
After having a dream that she is treated like a pushover due to her generosity, Teddy takes Hammer-stone's advice way too seriously and starts playing volleyball extremely aggressively.
Special guest star: Fred Willard as Herb Guest stars: Raven Goodwin as Ivy, Shane Harper as Spencer, Cyrina Fiallo as Vonnie, Frank Collison as Vern, Ericka Kreutz as Debbie Dooley, Coco Jones as Kelsey, Deena Dill as Jan, Matt Pascua as Rex On July 12, 2012, Disney Channel renewed Good Luck Charlie for a fourth season.
Guest stars: Raven Goodwin as Ivy, Shane Harper as Spencer, Jonathan Ryland as Chef Byron Wainwright, Marieve Herington as Winnie, P.J.
Marino as Fritz, Chad W. Smathers as Zack, Logan Moreau as Toby Gabe develops a crush on a new neighbor, Lauren – until he realizes that she is Mrs. Dabney's granddaughter.
The night turns into a disaster when Teddy finds out that Beau's aunt Karen is actually the woman that Amy can't stand, the one who worked at the hospital with her.
When Ivy suggest a road trip, Teddy then finds herself stuck en route to Las Vegas, New Mexico with the Wentz family in their new RV.
Guest stars: Dana Durey as Marcy, Samantha Boscarino as Skyler, Amir K as George, Paul Willson as Santa #2, Logan Moreau as Toby, Joe Gieb as Joe, Peter Allen Vogt as Santa, Mike Batayeh as Sal, Gabby Sanalitro as Ada Amy wants to ride a scooter with Gabe around the neighborhood much to his dismay.
Guest stars: Shane Harper as Spencer, Patricia Belcher as Mrs. Dabney, Micah Stephen Williams as Emmett, Samantha Boscarino as Skyler, Ericka Kreutz as Debbie Dooley, Logan Moreau as Toby, Jaylen Barron as Lauren, Andrew Caldwell as Gravy, Peter Hulne as Phil, Rio Mangini as Matt, Kalia Fullerton as Sarah, Meredith Bishop as Rhonda, Kevin Covais as Victor, Cyrina Fiallo as Vonnie