- Phil, this is the best day of my life.
- Mine too.
- Mine too.

5 seconds sound clip from the Groundhog Day movie soundboard.

You can hear this line at 01:32:35.559 in the Blu-ray version of the movie.

Quote context

[...]

- All right! Now, what am I bid for this guy? Do I hear a buck and a half? Anybody? 75 cents?

- I bid two bits!

- Sold to the lady for 25 cents.

- I got him!

- Phil? Phil? Phil Connors, I thought that was you.

- Rita, this is Ned Ryerson, he's my new insurance agent.

- I'll say.

- I have not seen this guy for 20 years. He comes up to me and then he buys whole life, term, fire, theft, auto, dental, health, with the optional death and dismemberment plan. Water damage.

- Phil, this is the best day of my life.

- Mine too.

- Mine too.

- Where are we going?

- Oh, let's not spoil it.

- Let's not... I got that. Reow!

- Why can't I look?

- Because you bother me a lot.

- I'm getting cold. How much longer do I have to sit here?

[...]