there realy isn't an episode I dislike of Gilligan but I do have ones I like more so then others. In no particular order my favorite episodes are

#90 "Splashdown",
#97 "Bang Bang Bang"
#66 "V for Vitamins"
#71 Pass the Vegetables Please"
#72 "The Producer"
#32 "Physical Fattness"
#13 "Three Million Dollars More or Less"
#39 "The Little Dictator"
#49 "Gilligan Gets Bugged"
#29 "Three to Get Ready"
#18 "X Marks The Spot"

I have many more favorites but you get the idea, what are your favorites

Season 1:
Goodbye Island
Two on the Raft
Waiting For the Watubi
Sorry my Island Now
X Marks the Spot
Physical Fatness
Three to Get Ready
Plant You Now, Dig You Later

Season 2:
Quick Before it Sinks
Castaway Pictures Presents
Gilligan Mine Hero
"V" for Vitamins
Up At Bat


Season 3:
Gilligan VS Gilligan
Pass the Vegetables Please
The Producer
And Then There Were None
Gilligan's Personal Magnetism
Bang! Bang! Bang!

In no certain order are my fave episodes:

#18 X Marks the Spot
#20 St. Gilligan and the Dragon
#21 Big Man On Little Stick
#25 Matchmaker
#31 Diogenes Won't You Please Go Home
#92 The Second Ginger Grant
#94 Slave Girl
#97 Bang Bang Bang
:)

A difficult list to make because each show has something going for it.

Waiting for Watubi:
What’s this remind you of Skipper?
Nothing. It must have just crawled in there.

New Neighbor Sam:
He just ATE that big diamond

Three to Get Ready
Physical Fatness
It's Magic
A Nose By Any Other Name
Beauty is and Beauty Does
The Sweepstakes
Quick Before it Sinks
Castaway Pictures Presents
Hi-Fi Gilligan (favourite favourite)
The Chain of Command
Gilligan Gets Bugged
Not Guilty
Seer Gilligan
Operation: Steam Heat
Will the Real Mr. Howell Please Stand Up
Ghost a Go-Go
Allergy Time
Meet the Meteor
Up At Bat
Pass the Vegetables Please
The Producer
Voodoo
Hair Today, Gone Tomorrow
The Invasion
And Then There Were None
Gilligan Goes Gung Ho
Court-Martial
The Hunter
The Second Ginger Grant
Bang! Bang! Bang!

all of us like Bang Bang Bang