
Sheldon Cooper started college early, in part thanks to this video presentation.
Easter eggs aren't just for Easter.
Half the fun of watching Young Sheldon is spotting nods to the mothership, The Big Bang Theory. Eagle-eyed fans: How many of these references do you remember?
Watch Young Sheldon Thursdays at 8 p.m. ET/PT on CBS. Stream anytime on Paramount+.
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Professor Proton
Sheldon idolizes Professor Proton.
Phot credit: CBS
S4 Episode: “The Wild and Woolly World of Nonlinear Dynamics”
During an argument, Missy (Raegan Revord) rips Sheldon’s (Iain Armitage) autographed Arthur Jeffries poster in half. Bob Newhart’s alter ego, the host of a kids’ science show, is Sheldon’s childhood idol—and will make several appearances in TBBT.
Chalk-Worthy
Sheldon was always ahead of the class.
Photo credit: Bill Inoshita/CBS
S3 Episode: “A Secret Letter and a Lowly Disc of Processed Meat”
Sheldon’s presentation on why he should go to college looks an awful lot like his future “Fun with Flags” video series.
Wait, Was That …?
A sick Sheldon
Photo credit: Robert Voets / 2019 Warner Bros. Entertainment Inc.
S3 Episode: “Teenager Soup and a Little Ball of Fib”
Some TBBT cameos are more heard than seen. When Sheldon dreads taking a swim test in gym, he’s taunted by a bacteria-infested pool during a nightmare—voiced by Kaley Cuoco.
A Catchphrase Is Born
Bazinga!
Photo credit: Darren Michaels/Warner Bros. Entertainment Inc.
S2 Episode: “A Stunted Childhood and a Can of Fancy Mixed Nuts”
The boy genius visits a novelty shop and learns about a line of prank products. The tagline? “If it’s funny, it’s a Bazinga!”
The Brainiac’s a Trainiac
Sheldon has always loved his trains.
Photo credit Sonja Flemming/CBS
S1 Episode: “Pilot”
Close-up on young Sheldon’s model locomotive set. “I’ve always loved trains,” says adult Sheldon, voiced by TBBT star Jim Parsons. “In fact, if my career in theoretical physics hadn’t worked out, my backup plan was to become a professional ticket taker. Or a hobo.”
“Soft Kitty”
Sheldon and his mother, Mary
Photo credit: Darren Michaels/Warner Bros. Entertainment Inc
S1 Episode: “A Sneeze, Detention, and Sissy Spacek”
The germaphobe’s go-to “get well” lullaby was first sung by his mother, Mary (Zoe Perry), after Sheldon contracted a cold.
The First Relationship Agreement
Relationship agreements are an integral part of budding romance.
Photo credit: Erik Voake/CBS
S1 Episode: “Vanilla Ice Cream, Gentleman Callers, and a Dinette Set”
Long before Sheldon drafted a 31-page contract after he and Amy became a thing, 10-year-old Sheldon drew up the Cooper-Sturgis-Tucker Behavior Agreement, which set ground rules for Meemaw’s (Annie Potts) relationship with his mentor, Dr. John Sturgis (Wallace Shawn).
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Watch Young Sheldon Thursdays at 8 p.m. ET/PT on CBS. Stream anytime on Paramount+.