Rising (1) - S1-E1
Continuity mistake: When they first arrive on Teyla's planet, the DHD is close to the gate. When the wraith attack, the DHD is much further from the gate.
Welcome to Duel Academy - S1-E1
Continuity mistake: After summoning Elemental Hero Flame Wingman, in the shot of Jaden saying, "So teach, what do you think", the Wingman's tail is pointed upwards. When the shot cuts, the tail is pointed down towards the ground. (00:17:10)