Beginning with season 5, each episode in the series is named after a song by a rock band that was famous in the s: When Charlie Richardson played by Bret Harrison fell off and died in season 8, the water tower was renamed in his honor. Let's hope it doesn't go horribly, horribly wrong! For example, in the episode " Who Wants It More? Although the conversations appear to mirror each other, notable differences often occur. Tanya Roberts is the only regular actor not to be featured in a transition. Fez's country of origin is never revealed. Beginning in season 2, transitions featured the characters doing something in front of a colorful, psychedelic, lava lamp -like background. One sex scene that didn't fit with the character was the scene between Jackie and Hyde. After Charlie's death, Kelso fell off again, but survived, leading him to believe he was "invincible". It is most often used by the couples of the show, with each member of the couple being advised on the relationship. Unlike previous versions of the song, Cheap Trick ended the song with the repeated phrase "We're all alright! The insult is adopted by the whole gang and even occasionally by Kitty. Kelso yells "Ow, my eye! One where my foot doesn't plow through your ass. The stupid helmet[ edit ] The stupid helmet refers to a replica of a Green Bay Packers helmet that a character is forced to wear after having done or said something deemed stupid by the rest of the gang. While the two are out of the immediate sight of the audience, Kelso yells, "Ow, my eye!