Friendship protects the world. Dueling protects the future. This is the power set toward our futures!

Yu-Gi-Oh! Bonds Beyond Time

After falling through a time-slip, Yusei Fudo (who has just had his powerful card stolen by a mysterious stranger) meets with Jaden Yuki and Yugi Muto, who agree to help Yusei defeat the evil Paradox, who is planning to destroy Pegasus before he can invent Duel Monsters.