DWTS Pros' First Performances

We all love a good throwback, so here are some of our pros' first-ever performances/intros as professional partners to a celebrity! (Jenna and Alan not included because their intros are still pretty fresh)
00:00- Cheryl Burke (season 2, age 21)
1:35- Maksim Chmerkovskiy (season 2, age 25)
3:30- Karina Smirnoff (season 3, age 28)
4:53- Julianne Hough (season 4, age 18)
6:19- Derek Hough (season 5, age 21)
8:04- Mark Ballas (season 5, age 21)
9:41- Peta Murgatroyd (season 13, age 25)
11:04- Val Chmerkovskiy (season 13, age 25)
12:24- Lindsay Arnold (season 16, age 19)
13:44- Gleb Savchenko (season 16, 29)
15:01- Sharna Burgess (season 16, age 27)
16:19- Emma Slater (season 17, age 24)
17:32- Sasha Farber (season 17, age 29)
18:36- Witney Carson (season 18, age 20)
19:46- Keo Motsepe (season 19, age 24)
20:56- Artem Chigvintsev (season 19, age 32)