Johnston scored a goal on two shots in Thursday's 4-1 win over the Flyers.
Johnston produced two assists, three shots on goal and a plus-2 rating in Saturday's 3-2 overtime win over Utah.
Johnston notched two assists and two PIM in Thursday's 4-2 win over the Senators.
Johnston had a goal and an assist in Wednesday's 5-2 win over the Sharks.
Johnston scored a power-play goal on eight shots in Monday's 7-1 win over the Penguins.
Johnston (undisclosed), as expected, will be in the lineup to face Nashville on Thursday, Brian Rea of Bally Sports Southwest reports.
Johnston, who is dealing with an undisclosed injury, is still expected to suit up versus Nashville on Thursday, Stars radio analyst Bruce LeVine reports.
Johnston scored two goals on eight shots, added an assist and went plus-2 in Monday's 5-1 win over the Avalanche in Game 4.
Johnston earned a pair of assists in a 3-2 win over the Golden Knights in Game 5 on Wednesday.
Johnston scored a goal and added two PIM in Saturday's 4-1 win over the Kings.