![Oh, yeah. The Mr. Spock cuckoo clock.
Oh, yeah. The Mr. Spock cuckoo clock.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Oh, yeah. The Mr. Spock CUCKOO clock.
The Big Bang Theory Season 10, Episode 10
![I thought it ended at cuckoo.
I thought it ended at cuckoo.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I thought it ended at CUCKOO.
The Big Bang Theory Season 1, Episode 15
![By that standard,
Penny is cuckoo for Cocoa Puffs.
By that standard,
Penny is cuckoo for Cocoa Puffs.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
By that standard,
Penny is CUCKOO for Cocoa Puffs.
The Big Bang Theory Season 4, Episode 9
![It's like the world's
fattest cuckoo clock.
It's like the world's
fattest cuckoo clock.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
It's like the world's
fattest CUCKOO clock.
The Big Bang Theory Season 7, Episode 23
![The newly hatched cuckoo
eats all the food...
The newly hatched cuckoo
eats all the food...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
The newly hatched CUCKOO
eats all the food...
The Big Bang Theory Season 1, Episode 15