Tessa refuses to weigh in on Ryan’s college choice on this season’s penultimate episode of “Suburgatory” (ABC at 8:30 p.m.); later, George chooses a very unromantic method when he asks Dallas to move in with him.

Residents of a small town in Colorado open a time capsule 25 years after it was buried on “Criminal Minds” (CBS at 9) and discover something gruesome inside.

Benjamin Bratt returns to “Modern Family” (ABC at 9) as Gloria’s ex-husband, and Gloria’s not thrilled when she meets his new girlfriend (guest star Paget Brewster). Meanwhile, Phil starts to falter in his confidence when he’s unable to sell the house that Claire and Cam want to flip.

A four-part series on “Nova” (WETA, MPT at 9), called “Australia’s First 4 Billion Years” and hosted by scientist Richard Smith, starts with a history of the continent’s beginning.

SERIES PREMIERE: Another haunted-themed show kicks off on Syfy, “Deep South Paranormal” (at 10), which follows a Bayou-based team that searches out all kinds of mysteries around the South, from a swamp in Alabama to a cemetery in Florida.

Science writer Michael Mosley’s PBS series continues with “The Truth About Exercise With Michael Mosley” (WETA at 10), as he investigates whether it’s more effective to have short, intense bursts of exercise, or work out for a longer period of time and at a more moderate pace.

We all knew this was coming — Juliette starts to see her mother’s extremely attractive “sober counselor,” Dante, in a new light as the tour continues on “Nashville” (ABC at 10), while cash-strapped Avery takes a job as a roadie for Juliette’s band.

It’s time for a wedding on “Psych” (USA at 10), but of course it can’t go as planned — the gang investigates when a crime boss threatens to ruin the big day.

Stan winds up getting closer to Elizabeth while looking into a new lead on “The Americans” (FX at 10).

Actor Charlie Sheen, former Florida Gulf Coast University basketball coach Andy Enfield and country singer Brad Paisley are on “The Tonight Show With Jay Leno” (NBC at 11:35).

“Late Show With David Letterman” (CBS at 11:35) hosts actor Harrison Ford, actress Rita Wilson and musical guest Jake Bugg.

Actors Jason Bateman and Chadwick Boseman are on “Jimmy Kimmel Live” (ABC at 11:35), along with a performance by Alice in Chains.

— Emily Yahr