![...Star Trek: The Original Series
...Star Trek: The Original Series](https://content2.mcqstudy.com/ss/tbbt-2-20-00:09:30.151.jpeg)
...Star Trek: The Original Series
"Trouble With Tribbles" crossover EPISODE?
The Big Bang Theory Season 2, Episode 20
![I never missed an episode.
I never missed an episode.](https://content2.mcqstudy.com/ss/tbbt-6-22-00:00:52.765.jpeg)
I never missed an EPISODE.
The Big Bang Theory Season 6, Episode 22
![Consider tonight's episode a
Valentine's Day gift for you, our viewers.
Consider tonight's episode a
Valentine's Day gift for you, our viewers.](https://content2.mcqstudy.com/ss/tbbt-9-15-00:06:08.077.jpeg)
Consider tonight's EPISODE a
Valentine's Day gift for you, our viewers.
The Big Bang Theory Season 9, Episode 15
![I'd like to start this episode
by apologizing on behalf
I'd like to start this episode
by apologizing on behalf](https://content2.mcqstudy.com/ss/tbbt-12-13-00:00:17.974.jpeg)
I'd like to start this EPISODE
by apologizing on behalf
The Big Bang Theory Season 12, Episode 13
![...Star Trek: The Original Series
...Star Trek: The Original Series](https://content2.mcqstudy.com/ss/tbbt-2-20-00:09:57.470.jpeg)
...Star Trek: The Original Series
"Trouble With Tribbles" crossover EPISODE.
The Big Bang Theory Season 2, Episode 20