In the episode, My Fair Chipette, when Angie wins the beauty contest, he pushes her on stage.
In the Hardees Commercial when Angie fell, Oscar quickly caught her.
In The Sisters, Brittany is so happy she was invited to lunch, that she throws her books at Angie causing her to fall. With a worried look, Oscar helps Angie to her feet.Also,whenever Angie is bossed around in this episode,she dosen't overlook it but Oscar appears more irritated than anybody.
In The Chipmunk Adventure, whenever Oscar feels "stressed out" with his brothers, he always goes to Angie for help.
In Alvin and the Chipmunks: The Squeakquel, they meet at school and Oscar falls in love with Angie and right after that, he purrs at her indicating that he likes her. Later, when Alvin asked Oscar and Simon to tell Angie and Jeanette how to open the cage over the phone, Oscar nervously replies "R-roger that !" Showing that he is nervous to talk to her because he loves her.
In this episode Sweet Smell of Success, when Angie and Oscar create more perfume and smell it, it seemed as if they would shake hands but just held each other's hand.
When Angie first met Oscar in Alvin and the chipmunks, The Squeakqual, she automatically fell in love with him and in the same part, if you look really close, you can see that her pupils get bigger, indicating she was taken by surprise meeting him.
In Alvin and the Chipmunks: The Squeakquel, she says to Brittany, "Oh, that Oscar is dreamy,"! This indicates she has a crush on him.
In The chipmunks go to Washington, Angie and Oscar were watching baby eagles in a nest. When Oscar looked away after he told her that they should tell the others, she didn't look away just yet. She stared at him for a quick secound longer, indicating that she has a crush on him. Later, you see Angie hugs Oscar.