How fast the night changes.

Young Sheldonis ending after seven seasons.

Jim Parsons and young Iain Armitage onstage holding hands

Young Sheldon in a plaid shirt standing in front of lockers

teenage Sheldon wearing a Green Lantern shirt

Sheldon in Season 1 vs Season 7

Young Missy at a dinner table in a scene looking surprised, wearing a denim dress with a blouse

teenage Missy in a plaid shirt sitting at dinner table

Side-by-side stills from a TV series showing Missy as a young girl and as a teenager

Georgie with a mullet in a locker room

adult Georgie at the dinner table

Georgie in Season 1 and Season 7

Mary with a friendly expression

Mary in a striped shirt smiling

Mary in Season 1 vs Season 7

George in a striped polo shirt sitting at a table, expressing surprise or confusion

George in a football coach polo sitting in an office

George in Season1 and Season 7

Connie with expressive eyes, holding cards, dressed in retro-style blouse with earrings

Connie in a sweater over a blouse

Connie in Season 1 and Season 7

Tam in a striped polo holding books

Tam in a solid polo, unbuttoned

Tam in Season 1 vs Season 7

A young Billy in a striped shirt

teenage Billy in a striped shirt sitting on a couch

Billy in Season1 vs Season 7

Paige in a striped polo and beaded necklace, sitting in class

Paige in plaid shirt sits at restaurant table, wearing plaid shirt

Paige in Season 2 and Season 6

Jeff seated in a suit with his Bible in hand

Jeff in a polo holding a coffee mug

Pastor Jeff in Season 1 vs Season 7

Dr Sturgis in a suit and tie

Dr Sturgis in a suit sitting in an office

Dr Sturgis in Season1 vs Season 7

Dale in a t-shirt sitting in a dugout

Dale in a plaid shirt sitting

Dale in Season 3 vs Season 7

Mandy in a floral dress smiling

Mandy in a floral blouse at the dinner table

Mandy in Season 5 vs Season 7

Brenda behind the counter at the bowling alley

Brenda talking on the landline

Brenda in Season 1 and Season 7

Wayne in a football coach attire with a whistle, on a practice field

Wayne looking sad, wearing a polo

Wayne in Season 1 vs Season 7

Dr Linkletter in a suit and striped tie

Dr Linkletter in a suit and tie sitting in an office

Dr Linkletter in Season 2 and Season 7

Georgie, George Sr, Missy, Mary, Sheldon, and Connie standing together in a field

Georgie, Mandy, baby Constance, George Sr, Missy, Mary, Sheldon, and Connie standing together in a field

the Cooper family in Season 3 versus Season 7