Ye Olde Laser Duel is the seventy second episode of Ben 10.
As team Tennyson admires the modern train station, Ben sniffs out one of Steam Smythe's robots holding up the line. Once the fed up villain tricks Ben into accepting a duel, the fate of the Omnitrix hangs in the balance.
- Stinkfly (cameo; off-screen transformation; intended alien was Upgrade)
- Wildvine (cameo; off-screen transformation)
- Diamondhead (cameo; off-screen transformation)
- Heatblast (offscreen; goes enhanced))
- Upgrade was mention in this episode about being offline.
- This episode aired as the 24th episode of Season 2 and the 64th episode overall in the U.S.