What to Watch: The TVLine-Up for Tuesday

On TV this Tuesday: Cougar Town unleashes one tough mother, Ringer and Raising Hope wrap their seasons, Private Practice keeps its first Tuesday appointment and more.  In addition to TVLine’s original features (linked within), here are seven programs to keep on your radar.

8 pm Glee (Fox) | The New Directions pay homage to the movie Saturday Night Fever by grooving to disco-infused dance numbers. (Watch a video sneak peek!)

8:30 pm Cougar Town (ABC) | No one believes Ellie when she tries to convince them that her seemingly lovely mom (guest star Susan Blakely) is actually a sociopath; Grayson decides to help Laurie with her dream of opening a cake business; Bobby and Chick help Travis and his pals pull a campus prank.

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9 pm Ringer (The CW) | Season finale: As the vow renewal nears, Bridget realizes she first needs to tell Andrew the truth about who she really is. (Watch a video sneak peek and view photos.)

9 pm New Girl (Fox) | Jess babysits Russell’s pre-teen daughter for the weekend and meets his ex-wife (Big Love‘s Jeanne Tripplehorn; see photo); Schmidt and Cece panic when they think she’s pregnant; Nick suspects his new girlfriend (Camp Rock 2‘s Chloe Bridges) may be too young.

9:30 pm Raising Hope (Fox) | Season finale: Following the revelations of the Inside Probe expose of their family history, the Chances are put on trial in a fight to retain custody of Hope.

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10 pm Private Practice (ABC) | New time slot alert! As Erica’s condition rapidly worsens, Cooper and Charlotte do their best to prepare an in-denial Mason; Violet and Pete find they still have feelings for each other; Addison encourages Amelia to embrace her impending motherhood; Sheldon and Jake work a case in which a woman, jailed for killing her two children, is pregnant with a third.

10 pm Amish 101 (NatGeo) | This new 10-part series, from the producers of Devil’s Playground, follow the tribulations of individuals who have made the decision to leave the Amish community behind — keeping in mind that by being photographed/videotaped, they risk permanent shunning by their families.

Which of the above is must-see for you? Also, hit Comments to offer your own tune-in suggestions.