Oh, not just date night.
Our fifth ANNIVERSARY.
The Big Bang Theory Season 8, Episode 24
Yes. According to the relationship agreement,
on the ANNIVERSARY of our first date...
The Big Bang Theory Season 6, Episode 1
You've seen
the 25th Anniversary Final Cut.
The Big Bang Theory Season 1, Episode 16
Oh, so my parents' 40th ANNIVERSARY
is coming up...
The Big Bang Theory Season 8, Episode 9
Next week is the ANNIVERSARY
The Big Bang Theory Season 7, Episode 6