Handshake
As Jo Grant explained to Latep the Thal, a handshake was an "old Earth custom" which entailed the clasping of hands between two people, showing that they were good friends and that we were pleased to meet one another. (TV: Planet of the Daleks) The gesture could be used as a greeting (TV: The Sontaran Stratagem) and as a farewell. (TV: Resurrection of the Daleks)
The Fourth Doctor begrudgingly shared a handshake with the Tremas Master as the two Renegade Time Lords agreed to work together in order to save the universe on Logopolis. (TV: Logopolis)
Tegan Jovanka and Vislor Turlough shook hands as the former chose to leave the TARDIS. (TV: Resurrection of the Daleks)
When Davros devised a computer virus that would incapacitate the Movellans, he spread it to the First Movellan via a handshake. (AUDIO: The Triumph of Davros) Following the destruction of Davros' right and last hand, the Sixth Doctor facetiously offered him a handshake. (TV: Revelation of the Daleks) When Missy finally met Davros, she offered to shake his hand. When a bemused Davros began to return the gesture, Missy took the chance to jab him in his eye. (TV: The Witch's Familiar)
Major Muriel Frost partook in a handshake in 10 Downing Street shortly before her death by electrocution at the hands of Jocrassa Fel-Fotch Passameer-Day Slitheen. (TV: Aliens of London)
The Tenth Doctor sarcastically asked a Dalek if it thought he expected a handshake and a box of Terry's All Gold by making a deal with it. (PROSE: I Am a Dalek)
Victor Kennedy rejected Colin Skinner when he offered a handshake, claiming that he had eczema and could not be touched; Victor was in fact an Abzorbalovian who absorbed his victims through touch. (TV: Love & Monsters)
Martha Jones and Donna Noble shook hands as they were introduced to one another by the Doctor. (TV: The Sontaran Stratagem)
The Twelfth Doctor and Robin Hood shook hands as they bid each other goodbye. (TV: Robot of Sherwood)
During the Christmas truce of 1914, numerous soldiers shook hands with opposing combatants. The Twelfth Doctor and the First Doctor, both witnesses to the truce on the brink of their respective regenerations, also shook hands as regeneration energy flared through their bodies. (TV: Twice Upon a Time)
In a last-ditch attempt to speak peacefully with the Twelfth Doctor, Rassilon offered him a handshake only for the Doctor to deny the gesture. (TV: Hell Bent [+]Loading...["Hell Bent (TV story)"])