The team of Kamen Riders can mean one of the following 2:

• The team-up of different Riders from the series (like Kamen Rider W, Kamen Rider Drive, Kamen Rider Saber, etc.)
• The team-up of Riders from different series whether it be in comic format (like Kamen Rider Spirits and it's Shin sequel), in TV special format (Birth of the 10th), or in movie format (Heisei Rider vs. Showa Rider: Kamen Rider Taisen feat. Super Sentai, Kamen Rider Heisei Generations Forever, Kamen Rider Zi-O: Over Quartzer)