WHAT TO WATCH
All times listed are Eastern/pacific Time. Shows air one hour earlier in Central/ Mountain Time.
Sullivan’s Crossing
The CW, 8 p.m.
Tensions escalate as Maggie (Morgan Kohan) returns to Sullivan’s Crossing with Andrew (Allan Hawco).
FOX, 8 p.m.
The Masked Singer celebrates the upcoming theatrical release of Trolls Band Together with a night of chart-toppers from boy bands in the new episode “Trolls Night.”
Quantum Leap
NBC, 8 p.m.
At Princeton University in 1955, Ben (Raymond Lee) must find a formula hidden by Albert Einstein that holds the key to nuclear energy before the Nazis get it. While there, he is surprised to run into a familiar face on campus.
Hawaii in search of his runaway sister. Meanwhile, Rick (Zachary Knighton) sets out to find TC (Stephen Hill) a date for the Marine Corps Ball.
Expedition Unknown
Discovery Channel, 9 p.m. h
Season Premiere
Globetrotting explorer Josh Gates is back scanning the depths of the ocean, trekking into the heart of Central American jungles and diving into flooded tunnels beneath an active volcano in search of answers to the world’s greatest mysteries.
Discovery Channel, 10:05 p.m. h
Season Premiere
Duane and Chad Ollinger have spent close to a decade trying to unearth $3 billion in Aztec gold that they believe is hidden in a vast network of underground caverns deep within Blind Frog Ranch. After arriving for the season, they discover that claim jumpers have been illegally digging on the property, attempting to locate and steal the treasure, which leads to a tense and volatile confrontation.