Shelby Corcoran returns to the halls of McKinley High. Meanwhile, Mr. Schuester initiates a boot camp for some of the members of New Directions.

Emma gets a visit from her parents; Mike Chang’s parents get involved when his grades aren’t up to their standards.

The glee kids are down in the dumps following their disappointing showing at Nationals, so Will assigns them a project to get them back on track. Meanwhile, Ms. Sylvester wants…

The glee kids are down in the dumps following their disappointing showing at Nationals, so Will assigns them a project to get them back on track. Meanwhile, Ms. Sylvester wants…

Shelby Corcoran returns to the halls of McKinley High. Meanwhile, Mr. Schuester initiates a boot camp for some of the members of New Directions.

Emma gets a visit from her parents; Mike Chang’s parents get involved when his grades aren’t up to their standards.

It was the first part of the two-night finale on “So You Think You Can Dance?” and host Cat Deeley threw a curve ball at us from the start. In…