TeamTDM is a group of subscribers that TheDiamondMinecart made. The group currently has 4,249,868 subscribers. He used to open Fan mail from TeamTDM on his daily vlogs, before he started MoreTDM (his new vlogging channel) TeamTDM started in his original vlogs episode 5.

At the end of every video he says "I hope you enjoyed this episode and if you did leave a big fat thumbs up and join TeamTDM today, and I will see you all next time, GOOD BYEEEEEEEEEEEE!!!!"