
Oh, yeah. The Mr. Spock cuckoo CLOCK.
The Big Bang Theory Season 10, Episode 10

# Sherlock around the CLOCK #
The Big Bang Theory Season 11, Episode 13

couldn't power a potato CLOCK.
The Big Bang Theory Season 10, Episode 12

# Tik Tok, on the CLOCK... #
Whoa, welcome home, Kesha.
The Big Bang Theory Season 11, Episode 9

Keep the CLOCK, Sheldon.
The Big Bang Theory Season 10, Episode 10