Two to Tango is the last episode of the series.
When Sunny and Mila fight after their respective class pull multiple pranks on each other, things go wrong and this has an effect on the two. So, both classes must figure out a way for Sunny and Mila to get over their hatred for each other.
- Tanya: You are being a big baby to me!
Lil' D: No, you are being a big baby to me!
Tanya: Well you are!
Lil' D: That's it!
- Mila: Now let's all try it. Places. Don't worry; I brought more vases.
- Tanya: ...And we're not gonna play second fiddle to you!!
Madison: Of course not, silly! I play the fiddle (Madison snorts.)
- Song: Two to Tango: This song is the last one of the series and the only one sung by Lil' D, Eddie, Tamika, Madison, Philly Phil, Kim, Kam, and Miss Lopez's students. It takes place in the auditorium and later at a night sequence as they try to bring their teachers back together.
- This episode is the series finale to make a place for Ben 10: Alien Force.
- This episode is the first episode to debut the character Tanya--a student from Miss Lopez's dance class.
- The ending: Lil' D and Tanya both lost the bus and Class of 3000 ended with them arguing while trying to catch it.
- This episode is one of the few episodes that was never aired on television or released on iTunes.
- This is the only episode with appearances of Tanya and Mila's other students like the long braided student and the chubby student.
- Lil' Rod only appeared in the end having all the students (except Lil' D and Tanya) for a ride in his tour bus.