What To Watch: Big Bang Bachelor Party, Whose Line Finale And More

On TV this Monday: Big Bang's scientists face the plight of the automobile, Blindspot investigates a twin tattoo, The CW confronts a Significant mistake and Castle investigates "What now?" Here are 10 programs to keep on your radar:

Showtimes for October 5, 2015

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The Big Bang Theory

CBS

A flat tire puts a damper on Leonard's belated bachelor party weekend in Mexico; Penny reveals she has yet to inform her family that she and Leonard married.

Dancing With the Stars

ABC

The "stars" dance to songs that represent a significant year in their lives, followed by the first elimination in two weeks. (See why Tom Bergeron will be MIA.)

Gotham

Fox

Gordon and Bullock track down a familiar nemesis, culminating in a face-off with Jerome; a hostage crisis forms at a children's hospital gala.

Penn & Teller: Fool Us

The CW

Season 2 finale: Featured magicians include Derek Hughes, Reuben Moreland and Suzanne and Jared Kopf. (Renewed.)

Switched at Birth

ABC Family

Mingo and Daphne work to raise funds for a sign-language school in Mexico; Bay's art is misappropriated by a fellow student.

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Whose Line Is It Anyway?

The CW

Season 11 finale: Comic Jeff Davis joins Ryan, Colin and Wayne on the Whose Line stage. (Renewed!)

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Faking It

MTV

Karma and Amy pretend to be a couple again; Liam and Shane attempt to find their groove again.

Significant Mother

The CW

Season 1 finale: Nate calls on Atticus and Sam to confront Jimmy about his mistake; Lydia contemplates her boss' advice. (Not yet renewed.)

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Blindspot

NBC

A thief bearing an identical tattoo to one of Jane's is caught after a near-perfect jewel heist; Jane receives a visit from the bearded man from her first memory.

Castle

ABC

When the body of a college student is found gruesomely murdered, Castle has to go undercover as a professor. (Read what's next for the Rick/Kate relationship.)   COMING NEXT MONDAY: The season premieres of Fargo and Jane the Virgin, and the series premiere of The CW's Crazy Ex-Girlfriend.

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