![I always thought
I was more like a cuckoo bird.
I always thought
I was more like a cuckoo bird.](https://content2.mcqstudy.com/ss/tbbt-1-15-00:15:24.172.jpeg)
I always thought
I was more like a CUCKOO bird.
The Big Bang Theory Season 1, Episode 15
![I thought it ended at cuckoo.
I thought it ended at cuckoo.](https://content2.mcqstudy.com/ss/tbbt-1-15-00:15:41.064.jpeg)
I thought it ended at CUCKOO.
The Big Bang Theory Season 1, Episode 15
![Oh, yeah. The Mr. Spock cuckoo clock.
Oh, yeah. The Mr. Spock cuckoo clock.](https://content2.mcqstudy.com/ss/tbbt-10-10-00:05:18.194.jpeg)
Oh, yeah. The Mr. Spock CUCKOO clock.
The Big Bang Theory Season 10, Episode 10
![was for cuckoo pills.
was for cuckoo pills.](https://content2.mcqstudy.com/ss/tbbt-7-7-00:05:08.020.jpeg)
was for CUCKOO pills.
The Big Bang Theory Season 7, Episode 7
![By that standard,
Penny is cuckoo for Cocoa Puffs.
By that standard,
Penny is cuckoo for Cocoa Puffs.](https://content2.mcqstudy.com/ss/tbbt-4-9-00:04:42.706.jpeg)
By that standard,
Penny is CUCKOO for Cocoa Puffs.
The Big Bang Theory Season 4, Episode 9