Double Rainbow

Aさん：「The other day I saw something really cool in the sky: a double rainbow!」
Zさん："So... you saw a 四じ...?"

Happy Hallow三三n

Zさん： "Happy Halloween!"
Aさん：「Back atcha!」
Zさん："So do you know who lives in that creepy old house at the end of the block?"
Aさん：「That is the old lady known as the #3 killer.」
Zさん："Why is she..."
お祖母さん："Die Sonny! Die Sonny! Die Sonny!"
Zさん："ooooh I get it, I mean, Run! I don't want the last moments of my life spent discussing moderately clever bilingual wordplay!" 

Cooperating Radicals

Zさん："The kanji for 協力 (きょうりょく) makes me smile. All the various chikara radicals working together. Nice."

TBS

Aさん：「There's this news & informational show on TBS called 'Asa-Chan' that I used to watch, but it was recently cancelled. I'm so disappointed!」
Zさん："I thought TBS just showed Big Bang Theory reruns and miscellaneous mediocre comedy shows."
Aさん：「What?」
Zさん："What?"

Zany Mnemonic Devices

1. I am a roo, I apologize.

2. Was a toe, on purpose

3. Koto was a proverb.

4. Now a rope.

Zさん："I tried to create clever mnemonic devices by saying a Japanese word followed by its English translation, but the end result was chinpunkan gibberish."