Luke 6:1

Now on the second-first Sabbath while He was passing through the wheatfields, His disciples were plucking the ears and rubbing them with their hands to eat the grain.

Matthew 12:1-8

About that time Jesus passed on the Sabbath through the wheatfields; and His disciples became hungry, and began to gather ears of wheat and eat them.

Mark 2:23-28

One Sabbath He was walking through the wheatfields when His disciples began to pluck the ears of wheat as they went.

Treasury of Scripture Knowledge

Summary

And it came to pass on the second sabbath after the first, that he went through the corn fields; and his disciples plucked the ears of corn, and did eat, rubbing them in their hands.

Bible References

That

Matthew 12:1
About that time Jesus passed on the Sabbath through the wheatfields; and His disciples became hungry, and began to gather ears of wheat and eat them.
Mark 2:23
One Sabbath He was walking through the wheatfields when His disciples began to pluck the ears of wheat as they went.