Here is are the episodes that presumed lost forever. I know that it is a fan fiction.:) Here it is:

Lost in Brooklyn (Part 1 & 2)
A Lost episode from the 1989-90 season

The Tanners are heading to Washington DC, but the sisters were lost in the borough of Brooklyn. Then, the sisters lost in the housing projects while they were trying to not to get back there. The Tanners called their sisters that were lost and then saving them from the projects and then going for a sight seeing around the town.

The Price Is Right
A lost episode from the 1994-95 Season

The Tanners went to CBS' Television City in which Joey, Stephanie and Michelle are contestants on "The Price Is Right". Which one that they could win? Find out! Guest: Bob Barker and Rod Roddy

Little Girl Lost
A lost episode from the 1992-93 Season

Michelle got lost somewhere in Alcatraz, but where can they find them.

The Tanners Vs. The Keatons
A lost episode from the 1988-89 season

The Keatons from "Family Ties" are having a family dinner, but Michelle asked Andrew (Brian Bonsall) to go on a date. But it was too late. Stephanie and Jennifer (Tina Yothers) helped out every step of the way. They went everyone to the Fisherman's Wharf to find something is missing in the river. Guests: Michael J. Fox, Meredith Baxter Birney, Michael Gross, Justine Bateman

Jesse the Great
A lost episode from the 1990-91 season

Uncle Jesse went to a Beach Boys concert in Carnegie Hall. And suddenly, fans booed to the crowd. When Rebecca came to them, she tries to manage not to play anymore music. He goes into R&B music. Guest: The Beach Boys and The Temptations

Here's more episodes from the "Full House: Lost Episodes":

Match Game
A lost episode from the 1990-91 Season

The Tanners found the letter that Rebecca Donaldson is going to be a contestant on "Match Game". Michelle Tanner wanted to become a panelist for good and Stephanie Tanner wanted to be another panelist to make the wise-cracking jokes and Charls elson Reilly had known them better to get his life back together. Rebecca made it to the Super Match and she doesn't even know the answer.
Guest: Ross Shafer and Charles Nelson Reilly

Joey Goes Commercial
A lost episode from the 1988-89 Season

Joey Gladstone was auditioned for a commercial for Popeye spinach. Joey wasn't focusing enough to know the directions and Jesse actually does taking turns for a commercial too. Joey was exhausted to be audition for the commercial and quit his day job.

Dog Show Trouble
A lost episode from the 1993-94 Season

Danny took DJ, Kimmy, Stephanie and Michelle to the annual Dog Show and Joey and Jesse are trying to do some pet tricks with Comet. During the dog show, Comet was so exhausted to do some of his tricks. They were so confused. Michelle was so anxious that Comet was injured his knee.

Never, Never Gonna Give You Up
A lost episode from the 1990-91 season

Jesse was with the Rippers doing an album while Danny and Rebecca was at the recording studio doing some of the cuts. And then, Barry White came over to do some R&B songs while he joined Jesse & the Rippers. At home, Stephanie & Michelle along with DJ had some thoughts about Barry White that he was auditioned for them.
Guest: Barry White

More on the episode information later from "Full House: The Lost Episodes".