Tuesday on TV: There's a 'Thor' crossover on 'S.H.I.E.L.D.' and BYU faces Gonzaga twice
Lorelei, a villain from Asgard, makes trouble for Marvel's Agents of S.H.I.E.L.D. (7 p.m., ABC/Ch. 4).
They get some help from Lady Sif (Jaimie Alexander), who cross over from the "Thor" movies.
In Las Vegas, both BYU teams are playing for West Coast Conference basketball championships. And it's BYU-Gonzaga doubleheader.
First up, the Cougars face the Bulldogs for the women's tournament title at 2 p.m. on ESPNU.
Then it's BYU vs. Gonzaga for the men's tournament titled at 7 p.m. on ESPN.
Elsewhere on TV ...
The Voice (7 p.m., NBC/Ch. 5): The blind auditions continue.
Glee (7 p.m., Fox/Ch. 13): The glee club travels to Los Angeles for nationals.
The Originals (7 p.m., CW/Ch. 30): Elijah and Klaus fight over Rebekah.
Rizzoli & Isles (7 and 9 p.m., TNT): A food-truck chef dies - was he poisoned?
The Goldbergs (8 p.m., ABC/Ch. 4): Adam tries to impress Murray with his hockey skills.
About a Boy (8 p.m., NBC/Ch. 5): Will needs help from Marcus.
New Girl (8 p.m., Fox/Ch. 13): Jess hires coach, and then has to turn around and fire him.
Cougar Town (8 p.m., TBS): Andy tries out his standup comedy act.
Perception (8 and 10 p.m., TNT): One of Pierce's friends is murdered.
Trophy Wife (8:30 p.m., ABC/Ch. 4): Kate plans a "do-over" wedding.
Growing Up Fisher (8:30 p.m., NBC/Ch. 5): Joyce panics on a date.
Brooklyn Nine-Nine (8:30 p.m., Fox/Ch. 13): Jake has to make wedding decisions as Charles' best man.
Mind Games (9 p.m., ABC/Ch. 4): Parents come to the team for help when their daughter joins a cult.
Chicago Fire (9 p.m., NBC/Ch. 5): Katie's kidnapper disappears.
Pretty Little Liars (9 and 11 p.m., ABC Family): Spencer confronts memories from her ''lost summer.''
Twisted (10 p.m., ABC Family): Jo runs for student body president.
Justified (11 p.m., FX): Raylan partners with a DEA agent who acts a lot like Raylan.