A Proposal, a Girlfriend, and a Mother's Birthday
It sounds like you’re looking for a of Young Sheldon Season 4, Episode 12, likely because you have a video file labeled "young sheldon s04e12 h264" and want to know what happens in that episode.
April 8, 2021
Mary forgets it’s her own birthday because she’s so busy. Missy, feeling invisible and overshadowed by Sheldon, decides to plan a small birthday surprise for her mom with the help of Pastor Rob. Mary is deeply touched, and the two share a sweet moment.
Sheldon and his family prepare for George Sr. to propose to Meemaw’s boyfriend, Dale. However, things go awry when Dale makes a joke that rubs George the wrong way.
Sheldon discovers that his girlfriend (from university), Paige, has been lying to her mother about having a new boyfriend — using Sheldon as the fake boyfriend. Sheldon, being literal and logical, tries to navigate this deception but ultimately agrees to go along with it to help Paige, showing rare emotional maturity.