Melinda Halliwell

Volumes 1 and 2
Melinda orbs some potion bottles near the stove. When they get mixed with each other, they great a giant vine that causes havok, lifting both her and her mom in the air.

Along with her brothers and cousins, she goes to Magic School with her dad while her mom and aunts deal with magical issues.

She orbed a teddy bear to her while no one was looking.

She threw a magical tantrum, orbing items all over her mom's restaurant when her pacifier was taken away.

While the adults are trying to get back her mom and her Aunt Paige, Melinda, her brothers, and their cousins have a sleepover downstairs. When her grandpa, Victor Bennett, shows up to help out with them, Melinda is sound asleep in a playpen with her cousins Kat and Tamora Mitchell﻿.

Volumes 3 and 4
When Piper calls to check on her kids, since she won't be home for a while, Melinda is asleep. Later, Melinda is taken to the store by one of the duplicate Pipers. Family Shatters When Paige and Prue cause a major mess up in the family powers, Melinda gets to hover up in the air above her brothers' heads using orbs, something that her father was doing when Phoebe first learned that Leo was a whitelighter. The Old Witcheroo Phoebe wonders whether her newborn daughter will be born with magic or if she will be powerless like her cousins, of which Melinda is one. Reversal of Misfortune It is mentioned that all of the children, other than her cousin, Parker Halliwell, are hidden somewhere with her grandpa.

Season 10
Melinda goes to an arcade with her parents and siblings.

Volumes 1 and 2
She did not say anything in volume 1 or 2.

Volumes 3 and 4

 * "Wheee!" - Family Shatters

Volume 5

 * "Strawberry Milkshakes?" - Charmed Assault

Trivia
Pat Shand said that Melinda was just over three at the time of Charmed Assault.