You forgot to turn. You go to third base!
6 seconds sound clip from the The Sandlot (1993) movie soundboard.
You can hear this line at 00:57:07 in the Blu-ray version of the movie.
Quote context
[...]
- Yeah! Nice hit, Smalls. Nice hit. Yeah!
- Oh, no.
- It's outta here! Who's got the big bat now, boys?
- Smalls! Smalls! Smalls! Smalls?
- You forgot to turn. You go to third base!
- Smalls
- What the hell's he doing? (2)
- Maybe the shock of his first homer was just too much for him.
- Yeah.
[...]