Bloopers. We all laugh at them. Sometimes we can't help but watch closely for them. Some bloopers are harder to notice, but we still spot them. Here is a sampling of some great TV bloopers.

Gilmore Girls
During the first season viewers hear Lane (Keiko Agena) talking about her parents, but we never meet her father. In one episode, after Lane moved out, she snuck back home and into her mom's room and only her mother was sleeping in the bed.

Sean Gunn (Kirk) first appeared in the second episode as Mick who was at the Gilmore's house to install the DSL that Emily (Kelly Bishop) ordered for Rory (Alexis Bledel). In another episode, Miss Patty (Liz Torres) refers to Kirk as "Kirk the Jerk." In later episodes, Miss Patty talks about knowing Kirk her whole life.

Sean Gunn isn't the only person who played two people. Remember when Jess (Milo Ventimiglia) went to visit his father in California? His father's girlfriend returns in season six but went from blonde to brunette and played April's mom Anna.

Halfway through the October 10, 2006, episode, Christopher (David Sutcliffe) tells Lorelai (Lauren Graham) that he loves her. Instead of calling her Lorelai, he calls her by her real name, Lauren. You have to really listen closely, but you will hear him say it.

Full House
On the first floor of the house there are two sets of stairs that lead to the upstairs. No matter which set of stairs you take you end up upstairs in the same place. The same goes for the two sets of stairs that are in the garage. At first there's only one set of stairs that lead to the kitchen, but later on there are two sets. One on the left and one on the right.

Kimmy Gibbler (Andrea Barber) goes from having three sisters, to being an only child, to having a brother and back to being an only child.

The most famous blooper from the show is Uncle Jesse's (John Stamos) two last names. When "Full House" started, he was known as Jesse Cochran than later on they changed it to Katsopolis.

The O.C.
This is a pretty common blooper for many new actors. In one of the first episodes of season one, Sandy (Peter Gallagher) asks Ryan (Benjamin McKenzie) to sign the child services papers. Instead of signing Ryan Atwood, he signs it his real name, Ben McKenzie.

In the series' first Thanksgiving episode Marissa (Mischa Barton) and Jimmy (Tate Donovan) go to the Cohens for Thanksgiving. When Kirsten (Kelly Rowan) opens the door, instead of saying hi Jimmy, she says hi Tate.

Boy Meets World
Early on in the first season, Shawn (Rider Strong) says his sister Stacey uses stuff to straighten her hair all the time. This was the first and only time Shawn mentions his sister. When Jack joins the show, he is Shawn's only sibling.

Bloopers happen all the time. Some are just easier to spot then others. Did you spot a great TV blooper? Share it with us!

Story by Angie Rentmeester contributing writer