Season 3

Episode 1 - Drake and Josh inn
When their parents leave them home alone, Drake and Josh turn their home into a hotel of sorts.
Episode 2 -peruvian puff pepper


In an attempt to win a plasma-screen TV, Drake and Josh enter a salsa-making contest. Things get intense when Megan goes up against them and enters the contest as well.
Josh's Yudonian e-pal, Yooka, decides to pay him a visit. However, he is plagued by jealousy when Yooka seems more interested in Drake. Conversely, Drake and Josh misinterpret a conversation Yooka has with her parents and think she's homesick. So, in an attempt to make her feel more welcome, Josh arranges what he thinks is a friendship ceremony for her. Little does he know that it is really a marriage ceremony.
episode 5 - the affair

After Drake and Josh notice that Walt has been spending a lot of time with another woman, they assume he is having an affair and try to catch him in the act.
Episode 6 - Playing the field


When Tori, who has been going out with Drake for a while, refers to him as her boyfriend, Drake panics and breaks up with her. Meanwhile, Josh has grown a mustache, much to the dismay of... everybody.
When Helen undergoes eye surgery, she asks that Drake and Josh help her around for a while. They of course end up taking advantage of this, once they see the inside of her home.
After Josh is injured and hospitalized, Drake is mistaken for an actual doctor at the hospital.
Drake and Josh realize that they have met once before, when they got in a fight at a San Diego Padres game as children. They then argue about who was to blame for the fight.

Josh, in an attempt to impress Mindy's parents, invites them over for dinner. Meanwhile, Drake and his girlfriend battle to prove which one of them is stronger.
When Megan purchases sheep over the internet, Drake and Josh strike a deal with her: they won't tell their parents if she promises not to play pranks on them for another three months.

When Josh gets a student teaching job in Megan’s classroom, he goes a little overboard and the entire class turns against him. 
When Drake is assigned to mentor a young boy, Sammy, he is shocked to find out he prefers Josh over him
When Josh gets a job playing a criminal for a television reenactment, it gets him some unwanted attention.
Episode 15 - The Demonator
Waiting in line for a turn on the new roller coaster at Mystic Mountain, proves far more thrilling for Drake, Megan and Josh than the ride itself.
    Episode 16 - Alien Invasion

The boys plan an alien-invasion hoax to get back at Megan for pulling one too many pranks on them, but they soon realize how out of hand their little prank has gotten.

In this season finale, a bickering Drake and Josh appear on a talk show, The Dr. Phyllis Show, and reminisce about past events.