1. "Ridin' all week with you."
   "Groovin' all week with you."
2. "Boppin' all week with you."
   "Drivin' all week with you."

The '50s classic "Rock Around the Clock" is the theme song for the first two seasons, while a version of this "Happy Days" ditty plays during the closing credits. The version with these iconic lyrics is the theme song from season three on.

1. "Aaay!"
   "Whoa."
2. "Sit on it."
   "You talkin' to me?"

Fonzie is known for a few signature lines, including "aaay," "whoa" and "correct-amundo." "Sit on it" is often attributed to Fonzie, but just about every character on the show says it when they're annoyed with someone.

1. "Everyday" by Buddy Holly
   "Don't Be Cruel" by Elvis Presley
2. "Blueberry Hill" by Fats Domino
   “Only You (And You Alone)” by The Platters

When Richie has an extra pep in his step because of a girl he likes, he breaks out into the Fats Domino hit —"I found my thrill ... on Blueberry Hill." 🎶

1. Fonzie
   Chachi
2. Richie
   Potsie

After Joanie is cut from the Pom Pom Girls, Fonzie agrees to help her beat the head cheerleader at the upcoming dance marathon. On the day of the marathon, Fonzie's motorcycle breaks down and he has to push it twelve miles. Despite his exhaustion, he pushes through and wins with Joanie.

1. "Laverne & Shirley"
   "Rhoda"
2. "Joanie Loves Chachi"
   "Mork & Mindy"

"Laverne & Shirley," "Mork & Mindy" and "Joanie Loves Chachi" are all spinoffs of "Happy Days." "Rhoda" is one of the spinoffs of "The Mary Tyler Moore Show."